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Stack For Computational Science, Mathematics And Engineering E-Learners, Idrissa S. Amour
Stack For Computational Science, Mathematics And Engineering E-Learners, Idrissa S. Amour
Tanzania Journal of Engineering and Technology (TJET)
Petroleum economic evaluation involves estimating revenues from forecasted production profiles and field costs including capital expenditures (CAPEX), drilling expenses (DRILLEX), and operating expenses (OPEX). The existing cost-estimating tool requires several inputs making it time-intensive and difficult to use with few data during the early stages of projects. Majority of the previously developed time saving cost estimations proxy models rely on unrealistic assumptions that include uniform operational costs for different fields with a different number of wells, casings, and drilled depths. This work focused at developing proxy models that consider the variability of the development costs with different parameters. The developed …
Cost Estimation Proxy Models For Economic Evaluations In Petroleum Projects: A Case Study From The Onshore Gas Field In The Southern Coastal Tanzania Basin, Fulmence Kaborogo
Cost Estimation Proxy Models For Economic Evaluations In Petroleum Projects: A Case Study From The Onshore Gas Field In The Southern Coastal Tanzania Basin, Fulmence Kaborogo
Tanzania Journal of Engineering and Technology (TJET)
Petroleum economic evaluation involves estimating revenues from forecasted production profiles and field costs including capital expenditures (CAPEX), drilling expenses (DRILLEX), and operating expenses (OPEX). The existing cost-estimating tool requires several inputs making it time-intensive and difficult to use with few data during the early stages of projects. Majority of the previously developed time saving cost estimations proxy models rely on unrealistic assumptions that include uniform operational costs for different fields with a different number of wells, casings, and drilled depths. This work focused at developing proxy models that consider the variability of the development costs with different parameters. The developed …
Molecular Characterisation Of Traditional Cashew (Anacardium Occidentale L.) Populations From Nachingwea And Newala Districts In Tanzania, Hussein R. Chiumbi, Hashim M. Mangosongo
Molecular Characterisation Of Traditional Cashew (Anacardium Occidentale L.) Populations From Nachingwea And Newala Districts In Tanzania, Hussein R. Chiumbi, Hashim M. Mangosongo
Tanzania Journal of Science
This study assessed the genetic diversity of 120 selected cashew plants from Nachingwea and Newala traditional cashew populations, comprising of 60 cashew plants from each population. Eight Simple Sequence Repeats (SSR) makers were used to ascertain the extent of genetic variation within and between the two traditional cashew populations. Genomic DNA extraction and Polymerase Chain Reaction (PCR) were performed using standard protocols. The results showed that all SSR markers were polymorphic. Average Polymorphic Information Content (PIC), heterozygosity, number of alleles per locus, allelic frequency and Shannon’s Index were 0.540, 0.721, 3.391, 0.666 and 0.649, respectively. Analysis of molecular variance results …
Microbial Quality Of Fresh Juices Sold By Street Vendors And Associated Human Health Risks: The Case Of Ilala Ward, Dar Es Salaam City, Tanzania, Juliana I. Rubaratuka, Godwill D. Mrema, Thomas J. Lyimo
Microbial Quality Of Fresh Juices Sold By Street Vendors And Associated Human Health Risks: The Case Of Ilala Ward, Dar Es Salaam City, Tanzania, Juliana I. Rubaratuka, Godwill D. Mrema, Thomas J. Lyimo
Tanzania Journal of Science
Microbial food quality serves to indicate health risks associated with the consumption of contaminated foods. This study aimed to determine the microbial quality of fresh juices and the level of awareness and perception of the consumers and juice vendors at Ilala Ward, Dar es Salaam. Fresh samples of sugarcane, mango and mixed fruit juices were collected from four different sampling stations and analysed using standard methods for Total Coliform (TC), Faecal Coliform (FC) and Total Viable Count (TVC). The level of awareness and perception of 60 juice vendors and 60 consumers were also assessed by using questionnaires. The results showed …
Population Genetic Structure And Demographic History Of Opsaridium Microcephulum Along Lake Nyasa, Alex Nehemia, Alinanuswe J. Mwakalesi
Population Genetic Structure And Demographic History Of Opsaridium Microcephulum Along Lake Nyasa, Alex Nehemia, Alinanuswe J. Mwakalesi
Tanzania Journal of Science
The Sanjika, Opsaridium microcephalum is among the fish species that serve as a major source of proteins and income to people along Lake Nyasa. However, the information on its genetic diversity and structure particularly in the Tanzania part of the Lake is limited. Therefore, the assessment of the genetic diversity and structure of O.microcephalum along the Lake Nyasa part of Tanzania was conducted in the current study using a fragment of the mitochondrial COI gene from 92 individuals of O. microcephalum. The findings showed that an average haplotype diversity and average nucleotide diversity were 0.8065 ± 0.0314 and 0.002380 ± …
Effect Of Substrate Temperature And Deposition Power On The Surface Morphology And Optical Properties Of Zno:Mg Thin Films Deposited By Dc Magnetron Sputtering, Saidi Saidi, Margaret E. Samiji, Nuru R. Mlyuka
Effect Of Substrate Temperature And Deposition Power On The Surface Morphology And Optical Properties Of Zno:Mg Thin Films Deposited By Dc Magnetron Sputtering, Saidi Saidi, Margaret E. Samiji, Nuru R. Mlyuka
Tanzania Journal of Science
Magnesium doped zinc oxide (ZnO:Mg) thin films were deposited on soda lime glass slides by DC magnetron sputtering method. Atomic force microscope (AFM), and UV/VIS spectrophotometer were used to investigate the effect of sputtering power and substrate temperature on the surface morphology and optical properties of ZnO:Mg thin films. AFM images revealed that sputtering power and deposition temperature have significant influence on surface morphology of the ZnO:Mg thin films. For all sputtering powers and substrate temperatures investigated, ZnO:Mg films had peak transmittance above 85%. Samples deposited at 110 W sputtering power and 450 °C substrate temperature showed the best peak …
Heavy Metals Analysis And Physicochemical Characterization Of Groundwater At A Battery Recycling Site In South-Western Nigeria, Adeniyi T. Adeleke, Rasaki K. Odunaike, Shamsideen K. Alausa, Idris O. Olayiwola, Adetoro T. Talabi, Qasim A. Adeniji, Adejumobi C. Adeniyi
Heavy Metals Analysis And Physicochemical Characterization Of Groundwater At A Battery Recycling Site In South-Western Nigeria, Adeniyi T. Adeleke, Rasaki K. Odunaike, Shamsideen K. Alausa, Idris O. Olayiwola, Adetoro T. Talabi, Qasim A. Adeniji, Adejumobi C. Adeniyi
Tanzania Journal of Science
Indiscriminate dumping of battery waste is a huge issue that endangers human health and the environment. This study aimed at analysing the health impacts of exposure to pollution from spent battery recycling in Ogun State, which houses a diverse range of battery recycling industries. At this study site, forty water samples were studied over the Wet and Dry seasons to assess the impact of battery recycling waste on groundwater. Except for the TSS, the physiochemical parameters of the groundwater vary with season and are within the permissible limits. The electrical conductivity (EC), turbidity, Phosphorus, Biochemical oxygen demand (BOD), Dissolve oxygen …
Evaluation Of The Modulatory Effects Of Capsicum Chinensis Methanol Extract In Streptozotocin-Induced Diabetic Neuropathic Pain In Mice, Babatunde A. Alabi, Adeyinka Aderonmu, Sodiq K. Lawal, Okot-Asi T. Nku-Ekpang, Mayowa Ajayi, Olugbenga E. Iwalewa
Evaluation Of The Modulatory Effects Of Capsicum Chinensis Methanol Extract In Streptozotocin-Induced Diabetic Neuropathic Pain In Mice, Babatunde A. Alabi, Adeyinka Aderonmu, Sodiq K. Lawal, Okot-Asi T. Nku-Ekpang, Mayowa Ajayi, Olugbenga E. Iwalewa
Tanzania Journal of Science
Diabetes is one of the common causes of neuropathic pain. The first-line treatment drugs used in alleviating neuropathic pain can cause adverse effects. Therefore, the aim of this study is to evaluate the analgesic property of Capsicum chinensis, since the plant was reported to be used against chronic pain in traditional medicine. Streptozotocin-induced diabetes was adopted to model neuropathy in mice and the antihyperalgesic effect of the extract was evaluated using a hot plate test, cold allodynia test, and Randall- Selitto paw pressure test. The plasma level of pain-associated inflammatory biomarkers like interleukin-6 (IL-6) and tissue necrotic factor-α (TNF-α) was …
Application Of Remote Sensing And Spectroradiometry In Geological Mapping: A Case Study Of Handeni (Qds 148) Block, Eastern Mozambique Belt, Tanzania, Masota M. Magigita, Elisante Mshiu, Cassy Mtelela
Application Of Remote Sensing And Spectroradiometry In Geological Mapping: A Case Study Of Handeni (Qds 148) Block, Eastern Mozambique Belt, Tanzania, Masota M. Magigita, Elisante Mshiu, Cassy Mtelela
Tanzania Journal of Science
This study applies remote sensing (RS) as a geologic mapping aid tool , using Handeni Block of Tanzania as a case study. To achieve the objective of this study, we have utilized various RS processing and image enhancement techniques on multispectral data, including ASTER, Landsat 5, Landsat 8, and Sentinel 2A. The method proved successful whereby both Landsat-5-data with band combination (BC) 7:4:2 and 7:5:4 and band ratio (BR) 5/3:5/1:7/5 and Landsat-8 data with BCs 5:6:7 and 7:6:4 mapped out marble units. Sentinel 2A data (with BC 8:11:3, BRs 12/2:11/2:8/11; 12/4:11/3:11/2 and 12/4:12/2:11/3) together with image enhancement decorrelation stretch on …
Micro Machining Of A Si3n4/Sio2/Ti/Pt Hotplate And Its Ir Emissivity Properties, Egidius R. Rwenyagila
Micro Machining Of A Si3n4/Sio2/Ti/Pt Hotplate And Its Ir Emissivity Properties, Egidius R. Rwenyagila
Tanzania Journal of Science
This paper presents the fabrication processes for a Si3N4/SiO2/Ti/Pt membrane based micro hotplate (MHP) using photolithography (PL) micro-machining techniques. The properties of the MHP filament are investigated and overall performance characteristics with regard to infrared (IR) radiation emissivity, resistance, breakdown voltage, and temperature of the fabricated Si3N4/SiO2/Ti/Pt micro heater. During characterization, the results show the device breakdown voltage of 24.24 V corresponding to the optimum operation temperature of ~ 1730.30 K. The device also showed an emissivity value of 5.2% with ~ 7% efficiency of transforming electrical power to IR thermal radiation power. The relationship between temperature and resistance, behaviour …
Woody Plant Assemblages Of Recently Declared Village Land Forest Reserve In The Eastern Afromontane Biodiversity Hotspot, Samora Macrice Andrew
Woody Plant Assemblages Of Recently Declared Village Land Forest Reserve In The Eastern Afromontane Biodiversity Hotspot, Samora Macrice Andrew
Tanzania Journal of Science
Understanding of species composition of village land forest reserves and their driving factors informs adequate development of effective restoration strategies and sustainable forest management of miombo woodlands. This study assessed the effects of human disturbance as well as environmental variables on woody plant species composition using 24 square plots of 10 x 10 m in a recently declared village land forest reserve in the Eastern Afromontane biodiversity hotspot of Tanzania. Ordination analysis technique canonical correspondence analysis was used to identify important vegetation gradients and significant factors that explain the spatial variation in species composition of woody plants. Results showed that, …
Preparation Of 2d Tungsten Diselenide (Wse2) Thin Films By Selenization Of Dc-Sputtered W Precursors, Lwitiko P. Mwakyusa
Preparation Of 2d Tungsten Diselenide (Wse2) Thin Films By Selenization Of Dc-Sputtered W Precursors, Lwitiko P. Mwakyusa
Tanzania Journal of Science
Two-dimensional layered transition metal dichalcogenides based on WSe2 films demonstrated promising properties for nano-electronics and photovoltaic applications. In this work, WSe2 films were prepared by selenization of DC-sputtered W precursors. The influence of the selenization temperature on the structural, morphology, and optical properties of the WSe2 films was investigated. The selenization temperature was varied from 350 °C to 450 °C at the interval of 50 °C. Structural, morphology and optical properties of the WSe2 were investigated using X-ray diffractometry (XRD), Atomic Force Microscope (AFM), and UV-VIS-NIR spectrophotometer, respectively. XRD analysis revealed that all WSe2 were polycrystalline and exhibited the co-existence …
Woody Species Composition, Structure, Regeneration Status And Carbon Storage Of Mkulazi Forest Reserve In Tanzania, Ezekiel E. Mwakalukwa, Christoganus John, Paulo J. Lyimo
Woody Species Composition, Structure, Regeneration Status And Carbon Storage Of Mkulazi Forest Reserve In Tanzania, Ezekiel E. Mwakalukwa, Christoganus John, Paulo J. Lyimo
Tanzania Journal of Science
Little is known about the status of forest condition and carbon storage potential of Mkulazi forest reserve (MFR) located in Morogoro District, Tanzania. This study was conducted to assess i) woody species composition, richness and diversity, ii) stand structure, iii) regeneration status and iv) carbon storage. Data collection for vegetation involved establishment of 100 concentric circular sample plots in the forest area of 65,710 ha. A total of 54 plant species for trees and shrubs with DBH ≥ 5 cm that belongs to 20 plant families were identified. The diversity of woody species was high (H’ = 3.11), while Stem …
Quantifying The Strength Of The El Niño Southern Oscillation And The Indian Ocean Dipole In Influencing The Ond Rainfall Season In Tanzania, Benjamin William Ongito, Paul T.S. Limbu
Quantifying The Strength Of The El Niño Southern Oscillation And The Indian Ocean Dipole In Influencing The Ond Rainfall Season In Tanzania, Benjamin William Ongito, Paul T.S. Limbu
Tanzania Journal of Science
The current paper examines the strength of variability between the El Niño-Southern Oscillation (ENSO) and the Indian Ocean Dipole (IOD) in influencing October to December (OND) rainfall over the bimodal rainfall regime of Tanzania. The empirical orthogonal function (EOF), correlation analysis, and composite analysis were used during the data analysis. The results show more rainfall distribution over the western part of the Lake Victoria basin and to the peripheral of the northern coast of the country, thus suggesting that, during the OND rainfall season, the onset starts in the western part of the Lake Victoria basin, then spreads to the …
Gene Flow Between The Wild Rice Species (Oryza Longistaminata) And Two Varieties Of Cultivated Rice (Oryza Sativa) In Kilombero District, Tanzania, Hashim M. Mangosongo, Emmarold E. Mneney, Bramwel Wanjala
Gene Flow Between The Wild Rice Species (Oryza Longistaminata) And Two Varieties Of Cultivated Rice (Oryza Sativa) In Kilombero District, Tanzania, Hashim M. Mangosongo, Emmarold E. Mneney, Bramwel Wanjala
Tanzania Journal of Science
The direction and rate of gene flow between the perennial wild rice species, O. longistaminata and cultivated rice, O. sativa was investigated using nine Microsatellite (SSR) markers. The study involved characterization of parental lines of two cultivated rice varieties and O. longistaminata and their F1 progenies. Presence of crop-specific alleles in the wild species or vice-versa was used as an indicator of occurrence of gene flow between the two species. The study revealed that gene flow between O. longistaminata and each of the two varieties of O. sativa occurs naturally. The direction of gene flow was mainly from the cultivated …
Potential Of Endophytic Fungal Isolates In Improving Productivity And Postharvest Marketable Fruit Qualities Of Tomato, Gabriel Michael, Emmanuel M. Sangu
Potential Of Endophytic Fungal Isolates In Improving Productivity And Postharvest Marketable Fruit Qualities Of Tomato, Gabriel Michael, Emmanuel M. Sangu
Tanzania Journal of Science
In Tanzania, low tomato (Solanum lycopersicum) yield and postharvest marketable fruit qualities remain significant limitations for tomato grower’s profit. Seven endophytic fungal isolates from pyrethrum and Lemongrass leaf and or flowers were evaluated to promote tomato productivity and fruit qualities. The isolates were inoculated by priming the seeds in spore suspension, and the variations in the number of germinated seeds, seedling vigour, yield and fruit qualities were compared across the treatments. It was observed that only three isolates induced more than 50% seed germination. Epf1 and Epl1 isolates showed significant promotion of seed germination (F 0.05 (pdf, 23) = 8.121 …
Modelling Spatial Distributions Of Sediments Fingerprinting In The Ruvu Basin Of Tanzania Without Continuous Sediment Monitoring, Charles H. Kasanzu
Modelling Spatial Distributions Of Sediments Fingerprinting In The Ruvu Basin Of Tanzania Without Continuous Sediment Monitoring, Charles H. Kasanzu
Tanzania Journal of Science
This study investigates various hinterlands’ contribution of sediments into the sub-basin known as Ruvu that comprises Mindu, Kibungo, Mvuha and Mindu catchments of Morogoro, Eastern Tanzania. An integrated geochemical and isotopic data were used to constrain this. Strategic sampling of basement and silty-sized sediments was conducted and the data were modelled using mass-balance computations. This approach revealed that, more than 70% of suspended sediments in the Mgeta River originate from Kigalamila, Sezima, Kingule, Mafumbo and Kibuko areas. Thus, hills north of Kisaki are major contributors of sediments with less contribution from the southern terrain. After modelling of the data from …
Turmeric Dyeing Of Cotton Fabrics Using Tie-Dyeing Techniques, Pendo Bigambo, Happiness Wellah, Hadija Ngaga, Safina Kimbokota, Mbonea Mrango
Turmeric Dyeing Of Cotton Fabrics Using Tie-Dyeing Techniques, Pendo Bigambo, Happiness Wellah, Hadija Ngaga, Safina Kimbokota, Mbonea Mrango
Tanzania Journal of Science
Tie-dyeing is a resist-dyeing technique which for years has been used by SMEs to produce attractive textile fabrics. However, the technique is challenged by the use of synthetic dyes which are not environmentally friendly and the growing consumers’ environmental awareness. Accordingly, researchers and industrialists are forced to explore the alternative natural dyes in response to the above challenges. Among the natural source of dyes available abundantly in Tanzania, but are yet to be fully exploited for applications via tie-dyeing technique are turmeric (Curcuma longa L.) roots commonly used for food coloring. In this study turmeric roots were investigated for their …
Potential Of Endophytic Fungal Isolates In Improving Productivity And Postharvest Marketable Fruit Qualities Of Tomato, Gabriel Michael, Emmanuel M. Sangu
Potential Of Endophytic Fungal Isolates In Improving Productivity And Postharvest Marketable Fruit Qualities Of Tomato, Gabriel Michael, Emmanuel M. Sangu
Tanzania Journal of Science
In Tanzania, low tomato (Solanum lycopersicum) yield and postharvest marketable fruit qualities remain significant limitations for tomato grower’s profit. Seven endophytic fungal isolates from pyrethrum and Lemongrass leaf and or flowers were evaluated to promote tomato productivity and fruit qualities. The isolates were inoculated by priming the seeds in spore suspension, and the variations in the number of germinated seeds, seedling vigour, yield and fruit qualities were compared across the treatments. It was observed that only three isolates induced more than 50% seed germination. Epf1 and Epl1 isolates showed significant promotion of seed germination (F 0.05 (pdf, 23) = 8.121 …
Synthesis Of Template-Free Flower-Like Zno Nanorods Using A Simple Chemical Bath Technique, Benard S. Mwankemwa
Synthesis Of Template-Free Flower-Like Zno Nanorods Using A Simple Chemical Bath Technique, Benard S. Mwankemwa
Tanzania Journal of Science
Flower-like ZnO nanorods were successfully synthesised using a template-free, low-temperature chemical bath deposition method. The effects of growth time on the structural, morphological, and vibrational properties of flower-like zinc oxide were investigated. X-ray diffraction (XRD) and scanning electron microscopy (SEM) indicated that the crystallite size and density of flower-like ZnO nanorods increased with increasing growth time. Raman spectroscopy confirmed the existence of specific Raman modes that correspond to the wurtzite structure of ZnO. In addition, Raman measurements revealed that increased growth time increases the Raman modes intensity of the flower-like ZnO nanorods. Moreover, the measurements of the Au/ZnO nanorods/FTO Schottky …
Organisational Capabilities Influencing Smes ' Export Performance In Tanzania, Fred Phanuel Okangi
Organisational Capabilities Influencing Smes ' Export Performance In Tanzania, Fred Phanuel Okangi
Business Management Review
Exports play an important role in economic growth as it leads to an increase in the country's economic performance through various sectors including small and medium enterprises. As a result, enhancing export performance among small and medium enterprises is very important because of the key roles they play in the economy. The study examined the organization ' s capabilities influencing SMEs ' export performance in Tanzania using the Resource-Based View Theory and Network Model of Internationalization. Data were collected from 70 exporting SMEs in Tanzania and analysed using multiple regression. The study revealed that SMEs ' innovation and product quality …
Attitude And Intention To Adopt Eco-Cars In Uganda: The Moderating Effect Of Culture Orientation, Johnson Lawrence Ssekakubo, Juliet Namukasa
Attitude And Intention To Adopt Eco-Cars In Uganda: The Moderating Effect Of Culture Orientation, Johnson Lawrence Ssekakubo, Juliet Namukasa
Business Management Review
Eco-cars have been promoted as a viable solution to global environmental concerns and energy crises. This motivated the study to focus on establishing the effect of the motorists ' attitudes and culture orientations on their intention to adopt Eco-cars. A total of 384 motorists from Kampala City were taken using a two-stage sampling design including stratification between public and private motorists and convenience sampling within the strata. Primary data was collected using a structured questionnaire that was both self and interviewer administered. Data were analysed using correlation and regression analyses. The study revealed that motorists with a positive attitude especially …
The Influence Of The Internal Audit Function Practices On Corporate Governance: The Case Of State-Owned Enterprises In Tanzania, Zelia O. Njeza, Henry Chalu, Ernest G. Kitindi
The Influence Of The Internal Audit Function Practices On Corporate Governance: The Case Of State-Owned Enterprises In Tanzania, Zelia O. Njeza, Henry Chalu, Ernest G. Kitindi
Business Management Review
The purpose of this research paper was to investigate the influence of internal audit function (IAF) practices on corporate governance (CG) in Tanzanian State-Owned Enterprises(SOEs). Data were collected through a questionnaire targeting the board of directors, audit committee members, management members, and internal and external auditors of 86 SOEs in Tanzania. Overall, the findings indicate that the IAF significantly influences the CG of Tanzanian SOEs. Specifically, the findings reveal that an internal auditor's competence, nature of work and compliance with standards, laws and regulations positively influence CG in Tanzania. These results support the application of the agency theory (supplemented by …
Waste Electrical And Electronic Equipment Collection: Challenges And Opportunities In A Developing Country Perspective, Sonny Juma Sonny, Samali Violet Mlay, Abdallah Ibrahim Nyero, Cosmas Oren
Waste Electrical And Electronic Equipment Collection: Challenges And Opportunities In A Developing Country Perspective, Sonny Juma Sonny, Samali Violet Mlay, Abdallah Ibrahim Nyero, Cosmas Oren
Business Management Review
The paper examines the challenges and opportunities in Uganda ' s Waste Electric and Electronic Equipment (WEEE) collection system. Data was collected through a questionnaire administered to 423 E-waste collectors and informal recyclers in Uganda and analyzed using the Partial-Least-Squares-Structural Equation Modelling approach. The study found that the system is facing challenges such as inadequate public awareness and infrastructure, and lack of Extended Producer Responsibility. However, there are also financial and economic incentives from E-waste collection and government taxes that can be used as an opportunity. The study suggests that policy-makers and waste management professionals should focus on promoting E-waste …
Moderating Effect Of Financial Condition On The Influence Of Tax Knowledge On Tax Compliance Behaviour Among Smes In Tanzania, Gregory V. Mkenda, Mariam I. Nchimbi, Deogratias N. Mahangila
Moderating Effect Of Financial Condition On The Influence Of Tax Knowledge On Tax Compliance Behaviour Among Smes In Tanzania, Gregory V. Mkenda, Mariam I. Nchimbi, Deogratias N. Mahangila
Business Management Review
This paper examines the moderating effect of financial conditions on the influence of tax knowledge on tax compliance behaviour among SMEs in Tanzania. A cross-section survey of 377 SMEs-Owners was conducted in three regions of Tanzania - Dar es Salaam, Morogoro and Mbeya. Descriptive and partial least square path modelling were used for data analysis, with the aid of SPSS and SmartPLS3.0. The findings of the study supported the hypothesised direct relationship that tax knowledge has a significant positive influence on tax compliance behaviour among SMEs in Tanzania. The findings imply that SME-Owner managers who possess greater tax knowledge demonstrate …
Systematic Assessment Of The Literature On Healthcare Supply Chain Sustainability Practices And Methodological Trends, Yusta Simwita, Gladness Salema
Systematic Assessment Of The Literature On Healthcare Supply Chain Sustainability Practices And Methodological Trends, Yusta Simwita, Gladness Salema
Business Management Review
The ever-growing uncertainties and complexities in health supply chains attract the need to implement sustainability practices in their operations. This study applies a systematic literature review to conduct a comprehensive review from 2008-2023 to identify commonly used sustainability practices and methodological trends. After a comprehensive analysis, 31 articles were included in the final analysis. We observed that several sustainability practices in all three sustainability pillars had been implemented in the healthcare supply chain. This includes employee welfare and well-being, understanding and managing demand, and green practices. This review found that sustainable practices have great benefits, such as empowering employees and …
Performance Appraisal, Career Development And Employee Performance: Implications From Procurement Professionals, Richard Jaffu
Performance Appraisal, Career Development And Employee Performance: Implications From Procurement Professionals, Richard Jaffu
Business Management Review
This study examined the mediating role of career development on the relationship between performance appraisal and procurement professionals ' performance. The study involved 204 procurement professionals from Dodoma city. It used cross-sectional survey design, where data were analysed using Structural Equation Modelling (SEM). The findings indicate that procurement professionals ' performance and career development are positively influenced by performance appraisal practices. The study also found out that career development has positive influence on procurement professionals ' performance. Finally, the study revealed that career development mediates the influence of performance appraisal on procurement professionals ' performance. The results imply that; procurement …
Pre-Service Teachers’ Epistemological Understanding Of The Language Of Instruction: Can Education Policy Stop Kiswahili In Tanzania’S Classrooms?, John Misana Biseko
Pre-Service Teachers’ Epistemological Understanding Of The Language Of Instruction: Can Education Policy Stop Kiswahili In Tanzania’S Classrooms?, John Misana Biseko
Journal of Humanities and Social Sciences
Language-in-education policies in Sub-Saharan Africa is a topic that has attracted several researchers. The adoption of alien languages as legitimate languages of instruction is a matter that has been seriously challenged. Since the 1960s, the debate in Tanzania has been on which language qualifies for the status of LOI. The answers have been favouring either the alien language (English) or the dominant language (Kiswahili). In 2014 the government launched the education policy, which declares both English and Kiswahili as LOI in post-primary education. In the 2023 edition, the policy was changed to declare English as the sole LOI in post-primary …
Language Contest In The Linguistic Landscape Of Sabasaba International Trade Exhibitions In Dar Es Salaam, Tanzania, Emmanuel Ilonga
Language Contest In The Linguistic Landscape Of Sabasaba International Trade Exhibitions In Dar Es Salaam, Tanzania, Emmanuel Ilonga
Journal of Humanities and Social Sciences
This inquiry stems from the scarcity of research on linguistic landscape particularly on the intersection between physical landscape, business fairs, and languages in Dar es Salaam. Essentially, it discusses the complexities of linguistic signs at the Dar es Salaam International Trade Fair (DITF) in Tanzania. The central purposes are grounded in the roles of information and symbolism, power dynamics, group identities, language policies, and rationale for the use of specific languages at the fair. Photographic method was employed in the generation of data. The analysis of data was framed in line with informational and symbolic frameworks, and structuration principles. The …
Suledo Community-Based Forest Reserve: A Contested Terrain Between Peasants And Pastoralists In Kiteto District, 1990–2016, Juma Marmo
Journal of Humanities and Social Sciences
This paper examines how the establishment of the SULEDO community forest reserve caused land use conflicts between peasants and pastoralists in Kiteto District from 1990 to 2016. The peasants complained that the government had deliberately made it possible for pastoralists to get more benefits from the reserve since they were allowed to graze their livestock in the reserve, which took large parts of their former agricultural land. Conversely, the grabbing of land by peasants in the forest reserve caused complaints from the pastoralists who claimed that the peasants were grabbing their grazing land in the reserve. Using archival sources, fieldwork …