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Articles 1081 - 1110 of 1825480
Full-Text Articles in Entire DC Network
Gurmit Kahlon V. Attorney General United States Of America
Beyond Probability: An Analytical Exploration Of Fuzzy And Neutrosophic Paradigms In Binomial Acceptance Sampling, Uma G, Vela Muruga Anurahini P
Beyond Probability: An Analytical Exploration Of Fuzzy And Neutrosophic Paradigms In Binomial Acceptance Sampling, Uma G, Vela Muruga Anurahini P
Neutrosophic Systems with Applications
Acceptance sampling plans are widely used in Statistical Quality Control to determine the acceptance or rejection of production lots based on sample inspection. Classical sampling plans under the binomial distribution assume precise parameter values, which may not adequately represent uncertainty, vagueness, and indeterminacy encountered in practical inspection environments. This review summarizes acceptance probability formulations for single and double sampling plans developed using fuzzy and neutrosophic logic under the binomial distribution. The focus is on studies that model the fraction defective and related parameters as fuzzy or neutrosophic numbers, allowing imprecise and indeterminate quality information to be incorporated into sampling decisions. …
Reliability-Calibrated Q-Rung Orthopair Neutrosophic Soft Ranking Under Partial Observability: An Auditable Industrial-Process Benchmark, Nagham Ahmed Abdelmegeed, Zeshan Aslam Khan
Reliability-Calibrated Q-Rung Orthopair Neutrosophic Soft Ranking Under Partial Observability: An Auditable Industrial-Process Benchmark, Nagham Ahmed Abdelmegeed, Zeshan Aslam Khan
Neutrosophic Systems with Applications
Multi-criteria decision systems often interpret disagreement among criteria as evidence that some criteria are unreliable. This is problematic when the disagreement reflects a genuine operational trade-off. We develop a reliability-and-admissibility-calibrated q-rung orthopair neutrosophic soft ranking procedure (RAC-qRON) that distinguishes recorded evidence quality from the direction of criterion preferences. An explicitly bounded interval for each alternative–criterion observation is mapped to truth, indeterminacy and falsity memberships, with an admissibility proof for every integer rung q ≥ 1. Criterion weights are adjusted according to recorded information coverage rather than cross-criterion correlation, and a fixed-reference ideal-distance calculation produces an auditable rank. The method is …
Risk Prioritization Of ``Digital Drug'' And Consumer Neurostimulation Modalities: A Reproducible Interval-Valued Fermatean Fuzzy Entropy–Topsis Framework, Rawan Emad El-Saadany, Ahmed Samy, Mohamed M. Abdelhafeez, Mahmoud M. Ismail
Risk Prioritization Of ``Digital Drug'' And Consumer Neurostimulation Modalities: A Reproducible Interval-Valued Fermatean Fuzzy Entropy–Topsis Framework, Rawan Emad El-Saadany, Ahmed Samy, Mohamed M. Abdelhafeez, Mahmoud M. Ismail
Neutrosophic Systems with Applications
Consumer audio and multisensory stimulation technologies are increasingly accessible through streaming platforms, mobile applications, and immersive media. The expression digital drug is sometimes used for binaural-beat content intended to alter subjective states, but the term is a consumer/cultural label and does not imply pharmacological equivalence. Risk prioritization in this area is difficult because evidence is heterogeneous, several relevant criteria are qualitative, and judgments may be imprecise rather than point-valued. This paper develops a transparent interval-valued Fermatean fuzzy (IVFF) group decision framework that combines interval-preserving aggregation, Shannon entropy weighting, and TOPSIS for prioritizing digital drug risk scenarios under uncertainty. The method …
Risk-Based Cybersecurity Threat Prioritization In Digital Twin-Enabled Cyber-Physical Systems, Nada Mohamed, Alshaimaa A. Tantawy, Ahmed M. Abdelmouty
Risk-Based Cybersecurity Threat Prioritization In Digital Twin-Enabled Cyber-Physical Systems, Nada Mohamed, Alshaimaa A. Tantawy, Ahmed M. Abdelmouty
Neutrosophic Systems with Applications
Digital Twin (DT)-enabled cyber-physical systems (CPS) face cybersecurity risks due to their complex connections and high levels of interdependence. Traditional methods, for assessing risk often fail to rank these threats. This is especially true when expert opinions include ambiguity, uncertainty or unclear information. A Type 2 Neutrosophic Entropy– Measurement of Alternatives and Ranking according to COmpromise Solution (Entropy- MARCOS) framework for cybersecurity threat prioritization in DT-enabled CPS is proposed in this paper. The uncertainty and indeterminacy present in expert evaluations are represented by Type 2 Neutrosophic Numbers (T2NNs). While the MARCOS technique is used to assess and rank cybersecurity threats …
Context-Regulated Q-Neutrosophic Soft Model Selection Under Input Perturbation: Evidence From Three Classification Benchmarks, Poom Kumam, Supak Phiangsungnoen
Context-Regulated Q-Neutrosophic Soft Model Selection Under Input Perturbation: Evidence From Three Classification Benchmarks, Poom Kumam, Supak Phiangsungnoen
Neutrosophic Systems with Applications
Selecting a classifier using a single average metric can conceal instability across validation splits, poor lower-tail behavior, and sensitivity to input perturbations. This study formulates a context-regulated Q-neutrosophic soft model-selection procedure with two fixed evaluation conditions. For each classifier and performance criterion, mean attainment (truth), across-split dispersion (indeterminacy), and the complement of a lower empirical quantile (falsity) form an auditable three-component descriptor. A bounded lower-context regulator aggregates their penalized utilities; monotonicity and perturbation bounds follow directly from its convex representation. Four fixed classifiers are compared using five benefit-oriented criteria, three repetitions of stratified five-fold cross-validation, and paired test-feature perturbations. Three …
Parental Knowledge, And Determinants Of Head Lice Infestation In Rural Southeast Georgia, Padde Musa, Sarah E. Braswell, Marina E. Eremeeva
Parental Knowledge, And Determinants Of Head Lice Infestation In Rural Southeast Georgia, Padde Musa, Sarah E. Braswell, Marina E. Eremeeva
Journal of the Georgia Public Health Association
Background:
Head louse pediculosis is a common problem among school-aged children. We assessed parental knowledge and practices about head louse infestations and factors contributing to the spread of head lice in families in Southeast Georgia.
Methods:
A self-administered questionnaire was completed by 197 parents, grandparents or guardians of school-aged children. Responses about participant’s demographics, knowledge about head lice, sources of information, treatment methods used, and behavioral practices that might contribute to head lice exposure and spread. Z-test or Chi-square test were used as appropriate, to identify population proportions across different variables with statistical significance (p-value) of < 0.05.
Results:
Most …
2026-10-28 Students Seek Green Spaces Following Unexpected Union Green Closure, Q Willíams
2026-10-28 Students Seek Green Spaces Following Unexpected Union Green Closure, Q Willíams
The Spectator Online
No abstract provided.
Spartan Daily, October 28, 2026, San Jose State University, School Of Journalism And Mass Communications
Spartan Daily, October 28, 2026, San Jose State University, School Of Journalism And Mass Communications
Spartan Daily, 2026
Volume 167, Issue 29
Return-To-Play After Turf Toe Injuries In Elite American Football Players: A Systematic Review And Clinical Guide, Vijay Karthikeya Raja, Joshua J. Leazer, Jared W. Nichols
Return-To-Play After Turf Toe Injuries In Elite American Football Players: A Systematic Review And Clinical Guide, Vijay Karthikeya Raja, Joshua J. Leazer, Jared W. Nichols
Student Publications
Turf toe, a traumatic sprain of the first metatarsophalangeal joint capsuloligamentous complex, is a clinically important cause of missed playing time in elite American football players. Low-grade injuries are commonly managed conservatively, whereas complete Grade 3 disruptions present a more complex therapeutic challenge because management depends on joint stability, sesamoid alignment, performance demands, and season timing. This systematic review evaluated return-to-play rates, recovery timelines, patient-reported outcomes, and post-recovery performance after operative and nonoperative management of turf toe injuries in collegiate and professional American football players. A systematic literature search of MEDLINE via PubMed, Embase, and the Cochrane Central Register of …
A Trauma-Informed And Collaborative Approach To Safe And Sustained Family Reunification, Alissa M. Cummins
A Trauma-Informed And Collaborative Approach To Safe And Sustained Family Reunification, Alissa M. Cummins
Master of Arts in Human Services
Family reunification involves more than returning a child to the care of their biological family; it requires the sustained promotion of child safety, stability, and family well-being. This literature review examined how trauma-informed and collaborative approaches support safe, stable, and lasting reunification within the child welfare system. The review explored adverse childhood experiences (ACEs) and developmental, psychological, family, and socioeconomic risk factors associated with child welfare involvement and permanency outcomes, as well as protective factors such as supportive relationships, caregiver well-being, resilience, and access to services and resources. Analysis of the literature identified three interconnected principles essential to successful reunification: …
Research And Innovation Update, October 28, 2026, Office Of The Vice President For Research And Innovation
Research And Innovation Update, October 28, 2026, Office Of The Vice President For Research And Innovation
Office of Research, Economic Engagement and Outreach
No abstract provided.
Kualitas Hidup Pasien Penyakit Gagal Ginjal Kronik Dan Kepuasan Pelayanan Di Unit Hemodialisis Rumah Sakit Alia Depok: Studi Mixed-Methods, Bimo Kusumo, Vetty Yulianty Permanasari
Kualitas Hidup Pasien Penyakit Gagal Ginjal Kronik Dan Kepuasan Pelayanan Di Unit Hemodialisis Rumah Sakit Alia Depok: Studi Mixed-Methods, Bimo Kusumo, Vetty Yulianty Permanasari
Jurnal ARSI : Administrasi Rumah Sakit Indonesia
The prevalence of chronic kidney disease (CKD) in Indonesia remains a high-incidence condition and most of it underwent hemodialysis in Hospital. This study aims to analyze the quality of life of patients with chronic kidney disease and satisfaction with services in the hemodialysis unit. This study is a mixed-methods study with a quantitative study using the World Health Organization Quality of Life (WHOQOL-BREF) and Service Quality (SERVQUAL) questionnaires, and a qualitative study with in-depth interviews related to hospital services from both service providers (healthcare professionals) and service recipients (patients). The study found predominantly moderate scores on the WHOQOL-BREF and poor …
Spectrum, Volume 57, Issue 6, Sacred Heart University
Spectrum, Volume 57, Issue 6, Sacred Heart University
Newspapers (Obelisk & Spectrum)
Highlights include: Fazio is Red, Lamont is Blue: Who Will Win? -- Remembering One Step at a Time -- Secure Your Spot: PioneerGuard at SHU -- Beyond the Costume -- Men’s Ice Hockey Win Against Ohio State
Pop-Culture Simulations For Negotiation And Conflict Resolution Education, Noam Ebner
Pop-Culture Simulations For Negotiation And Conflict Resolution Education, Noam Ebner
DRI Press
Simulations have long been the cornerstone of experiential negotiation and conflict resolution education. This book offers a new genre of simulations: scenarios situated within the universes and narrative arcs of popular movies, books, and television series. These simulations bring new levels of excitement, engagement, and motivation to the classroom as students practice decision-making within familiar storylines, negotiating new twists in beloved tales, or settling conflicts between their favorite characters. Each simulation includes all of the required roleplay material as well as a full teaching note for selecting, setting up, conducting, and debriefing the exercise.
Barrie Roberts has created special versions …
Emerging Technologies For Hab Monitoring: Uncrewed Aircraft Sampling Of Water And Aerosols In Lake Okeechobee, Kayla D. Taylor, Justin Fratto, Avinash Muthu Krishnan, David Zink, Blake Neal, Jose Cabrera, Marc Compere, Emel Sen-Kilic, Kevin Adkins
Emerging Technologies For Hab Monitoring: Uncrewed Aircraft Sampling Of Water And Aerosols In Lake Okeechobee, Kayla D. Taylor, Justin Fratto, Avinash Muthu Krishnan, David Zink, Blake Neal, Jose Cabrera, Marc Compere, Emel Sen-Kilic, Kevin Adkins
Student Works
Harmful algal blooms pose significant environmental and socioeconomic threats to many areas in South Florida, including Lake Okeechobee and its distribution canals. These blooms can simultaneously lead to the widespread mortality of aquatic life and to the emergence of public health hazards, which are especially detrimental to the localized economies around Lake Okeechobee that depend highly on fishing and water-related tourism. Lake Okeechobee has been monitored for water quantity and quality for several decades, providing an excellent context and opportunity to test and implement a new generation of bloom sampling techniques. One challenge that has stymied the progress of understanding …
Electrocatalytic Oxidation Of Ethylene Glycol To Glycolic Acid: From Mechanism And Catalyst Design To Emerging Neutral Electrolyte Systems, Man Zhang, Xue Li, Xin-Yu Peng, Lin Wang, Wen-Wen Chen, Yao-Yue Yang
Electrocatalytic Oxidation Of Ethylene Glycol To Glycolic Acid: From Mechanism And Catalyst Design To Emerging Neutral Electrolyte Systems, Man Zhang, Xue Li, Xin-Yu Peng, Lin Wang, Wen-Wen Chen, Yao-Yue Yang
Journal of Electrochemistry
Polyethylene terephthalate (PET) waste represents both an environmental burden and a loss of carbon resources. Alkaline depolymerization of PET yields terephthalic acid and ethylene glycol (EG). Electrocatalytic oxidation of EG to glycolic acid (GA), the monomer of biodegradable polyglycolic acid (PGA), offers a sustainable route driven by renewable electricity. However, the ethylene glycol oxidation reaction (EGOR) involves competing pathways toward C2 products (GA and oxalic acid) and C1 products (formic acid and CO2), making selective GA production a central challenge. This review provides a comprehensive overview of recent progress in selective EG-to-GA electrooxidation from catalyst design, mechanistic understanding, …
Regularization-Based Crystallite Size Distribution Analysis Of Pt/C Catalysts From X-Ray Diffraction, Cheng-Long Ma, Wei-Yu Shi, Zhong-Jun Hou
Regularization-Based Crystallite Size Distribution Analysis Of Pt/C Catalysts From X-Ray Diffraction, Cheng-Long Ma, Wei-Yu Shi, Zhong-Jun Hou
Journal of Electrochemistry
Accurate determination of the platinum crystallite size distribution in carbon-supported platinum (Pt/C) catalysts is critical for evaluating both the initial performance and long-term durability of proton exchange membrane fuel cells (PEMFCs). Conventional characterization approaches—including transmission electron microscopy (TEM), small-angle X-ray scattering (SAXS), and the Scherrer equation—are limited by restricted statistical sampling, sensitivity to support interference, or the inability to resolve the full breadth of the size distribution. In this work, we present a regularization-based inversion framework that extracts the volume-weighted crystallite size distribution directly from X-ray diffraction (XRD) line profiles, without requiring any a priori assumption regarding the functional form …
Through The Cracks: Sea Ice Regions As A Source Of Volatile Marine Sulfur In The Springtime Arctic, Nicole A. June, Cort L. Zang, Samuel E. O’Donnell, Ben Kopec, Anderson Da Silva, Betty Croft, Et Al.
Through The Cracks: Sea Ice Regions As A Source Of Volatile Marine Sulfur In The Springtime Arctic, Nicole A. June, Cort L. Zang, Samuel E. O’Donnell, Ben Kopec, Anderson Da Silva, Betty Croft, Et Al.
Michigan Tech Publications
Marine volatile methylated sulfur compounds (VMS) including dimethyl sulfide (DMS) and methanethiol (MeSH), are important natural sources of sulfur to the atmosphere and precursors to aerosols and cloud condensation nuclei. However, observations of DMS and MeSH in regions with sea ice remain limited. We present VMS measurements in the Arctic springtime from the ARTofMELT expedition. Hourly averaged DMS and MeSH observations range from below detection limit (< 1 pptv) to >1500 pptv, and from below detection limit (< 0.5 pptv) to >150 pptv respectively, with the highest concentrations observed during open ocean influence. MeSH made an important contribution to Arctic atmospheric VMS (median MeSH:DMS ratio of …
Autofield-Poa: A Hybrid Automl–Metaheuristic Framework For Automated Feature Selection In Recommender Systems, Mohammed Dheyaaldeen Taha, Waleed Kareem Ahmed, Rana Saad Mohammed, Zied O. Ahmed
Autofield-Poa: A Hybrid Automl–Metaheuristic Framework For Automated Feature Selection In Recommender Systems, Mohammed Dheyaaldeen Taha, Waleed Kareem Ahmed, Rana Saad Mohammed, Zied O. Ahmed
Karbala International Journal of Modern Science
The problem of automated feature selection is one of the most important aspects of modern recommender systems, as overestimating the number of feature fields used, which can increase model complexity, inference latency, and performance degradation due to redundancy and noise. Although differentiable Automated Machine Learning (AutoML) based feature selection methods, including AutoField, are effective, they remain susceptible to initialization and local optima. Conversely, population-based metaheuristic algorithms are effective at global exploration, but are often inefficient in high-dimensional discrete spaces when randomly initialized. This paper presents AutoField-POA, a hybrid AutoML-metaheuristic framework that combines a differentiable controller with the Pelican Optimization Algorithm …
Precarity And The Social Organization Of Affect In Public Libraries, Naomi E. Nichols Dr., Phil Canuel, Maggie Pearson, Kathrine Williams
Precarity And The Social Organization Of Affect In Public Libraries, Naomi E. Nichols Dr., Phil Canuel, Maggie Pearson, Kathrine Williams
Journal of Institutional Ethnography
Material and felt precarity are increasing in Ontario cities, impacted by housing and food unaffordability, an unpredictable drug supply, rising homelessness, and unmet social and health needs. The social relations of precarity play out in public spaces like libraries, changing how people’s work in, and experiences of, public space are organized. In this institutional ethnography (IE), we draw on 38 interviews with library staff and visitors to describe how shifts in the activities undertaken by library visitors (i.e., an increase in survival-related work) is co-ordered with, and re-shaping the work of library staff. Beginning with the standpoint of library staff, …
Arts-Based Experiential Learning And Human Flourishing: A Perma-Informed Case Study Of Community Mural Making, Lindsay A. Beddes, Karen Yescavage, Krista Bridgmon
Arts-Based Experiential Learning And Human Flourishing: A Perma-Informed Case Study Of Community Mural Making, Lindsay A. Beddes, Karen Yescavage, Krista Bridgmon
Journal of Contemplative and Holistic Education
The worsening mental health epidemic among college students is marked by significant risk for loneliness, anxiety, and depression. Given that the demand for mental health care is outpacing institutional capacity, creative solutions are needed to augment traditional reactive interventions. In this qualitative research, we used narrative case study to explore the transformative power of community mural-making as experiential learning. Drawing on Seligman’s PERMA model (positive emotions, engagement, relationships, meaning, accomplishment) we investigated how creative expression can cultivate positive psychological states to help students flourish (1991; 2011; 2018). Mural making promotes the crucial skills of teamwork, communication, and problem-solving. Outdoor public …
Principles, Frameworks And Challenges Underpinning Holistic Education In The 21st Century, Kumar Laxman
Principles, Frameworks And Challenges Underpinning Holistic Education In The 21st Century, Kumar Laxman
Journal of Contemplative and Holistic Education
Holistic education is an educational paradigm that is gaining increasing attention in educational circles due to it being eclectic and inclusive in nature. It attempts to embed a wholesome approach to life including spiritual and philosophical ideals in its pedagogical elements to foster a more fulsome development of the individual. In this paper, research literature is parsed through and content analysed to gain a deeper understanding of the historical and curricular underpinnings of the holistic education movement through a theoretical interpretive lens. The beginnings and evolution of the holistic education movement are examined in conjunction with the broad definitions of …
Soil Health Indicator Responses To Different Crop Production Systems, Lynnlee Jones
Soil Health Indicator Responses To Different Crop Production Systems, Lynnlee Jones
Scholars Week
Various crop production systems have affected soil health by changing soil physical, chemical and biological properties. In general, differences in crop production management systems include crop rotations, tillage and crop types. Therefore, the objective of this research was to evaluate the changes of soil organic carbon (SOC), soil water holding capacity (SWHC), bulk density (BD) and total porosity (TP) following various crop production management practices in Western Kentucky. The study was conducted in Calloway and McLean counties and were performed in a 90m x 90m area. These fields consisted of row crops (CRP, Bean Field, Woods Field, Corn Field, Conventional …
Determining Soil Characteristics Under Six Land Management Practices In Western Kentucky, Lyndsey R. Bryant
Determining Soil Characteristics Under Six Land Management Practices In Western Kentucky, Lyndsey R. Bryant
Scholars Week
Different types of land management practices can change soil chemical, physical, and biological characteristics. The objective of this study was to determine the changes of soil properties as affected by cultivation practices through measuring soil pH, soil organic matter (SOM), soil water holding capacity (SWHC), and soil water field capacity (SWFC). The sites for this study include an agriculture hemp field, construction site, urban pathway, bison prairie, control burn field, and forest floor. The sites were located in Calloway and Trigg County; Kentucky. Twenty-four undisturbed and twenty-four disturbed soil samples were taken across six fields with four replications each. The …
Crop And Tillage Management Practices Impact On Soil Properties, Elijah James Brown
Crop And Tillage Management Practices Impact On Soil Properties, Elijah James Brown
Scholars Week
Crop and tillage management practices control the changes in soil properties. The purpose of this study was to compare the dynamics of soil properties across six management systems that differed in crop type and tillage practices. Soil properties tested were soil organic matter(SOM), soil pH, macroporosity, and soil water holding capacity(SWHC). The study was conducted in Morris, Illinois. The crop management systems included alfalfa (AR), grass hay (GH), no-till corn (CNT), conventional till corn (CT), no-till soybeans (BNT), and conventional till soybeans (BT). Management histories from 2023 to 2026 differed in crop rotation, tillage, fertilizer use, herbicide applications, and residue …
Land Management Impacts On Soil Physical And Chemical Properties In Murray, Kentucky, Bhawana Bhusal
Land Management Impacts On Soil Physical And Chemical Properties In Murray, Kentucky, Bhawana Bhusal
Scholars Week
Soil surface properties serve as key indicators of overall soil health and quality. This study aimed to characterize selected physical and chemical properties of cropland, pastureland, and forest soils in western Kentucky. Disturbed and undisturbed soil samples were gathered from University Farms including North Farm, West Farm, Hutson Farm, and the Be Creek Forest area in Calloway County, Kentucky. Disturbed and undisturbed soil samples were collected from the University Farms includes North Farm, West Farm, Hutson Farm, and Be Creek Forest area in Calloway County, Kentucky. Three replications per field were collected at a depth of 0-7 cm from each …
Comparing Soil Characteristics Between Forest And Farm Land, Nabin S. Khatri, Dr. Iin P. Handayani Ph.D.
Comparing Soil Characteristics Between Forest And Farm Land, Nabin S. Khatri, Dr. Iin P. Handayani Ph.D.
Scholars Week
Agricultural ecosystem sustainability is affected by soil degradation. Within the United States, this degradation is primarily caused by agricultural activities and monocropping systems. The objective of this research was to determine the impact of different ecosystems on selected soil characteristics, such as soil organic Carbon (SOC), total porosity, macro-porosity, and soil water at field capacity (SWFC). A total of 24 disturbed and 24 undisturbed soil samples were collected at a 0 to 7 cm depth interval with three replications per field/cropping system. This study evaluated eight agricultural lands: grazed and ungrazed pastures in West Farm; ungrazed pastures in North Farm; …
Improving Fall Risk Assessment In Inpatient Rehabilitation, Sarah B. Flick, Aaliyah Garcia, Trista Hamblin
Improving Fall Risk Assessment In Inpatient Rehabilitation, Sarah B. Flick, Aaliyah Garcia, Trista Hamblin
Scholars Week
This evidence-based practice project examines how fall-risk assessment can be improved for patients in inpatient rehabilitation by incorporating rehabilitation-specific functional factors into the existing assessment process. A review of four research studies identified toileting, transfers, ambulation, cognition, previous falls, and functional limitations as important considerations for fall-risk identification. The project proposes a structured functional review to supplement current assessment tools, with a phased implementation plan using staff education, a pilot program, and ongoing evaluation to support patient safety and individualized fall-prevention interventions.
Palestinian Theatre Studies: The Emergence Of A Field, Noor Shihadeh
Palestinian Theatre Studies: The Emergence Of A Field, Noor Shihadeh
Regards
This article analyses the emergence of Palestinian theatre studies, a field of research bound to the modern history of Palestine and to the settler colonial violence that marks it. This violence strikes people, their cultural production and the very possibility of preserving it, shaping in turn how scholarship circulates and where it can be conducted. Studies on Palestinian theatre have nonetheless appeared since the 1960s. The article examines them through a multilingual literature review (Arabic, English, French, Italian, Hebrew) and identifies three main lines of research: a historical-documentary approach, a socio-political and anthropological approach, and a body of studies devoted …