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ISSN 2613-9073 · Universitas Islam Negeri Raden Intan Lampung · 318 articles in the index
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Journal Article
Application of Robust Regression with MM-Estimation to Aggregated Data on Iron Tablet Receipt and Consumption among Pregnant Women in North Sumatra Province
Aggregated administrative data are widely used to monitor large-scale public health programs, yet their statistical analysis is often challenged by population heterogeneity and the presence of influential observations that can undermine conventional regression inference. This study applies robust…
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Journal Article
Qualitative Analysis of Technology Utilization Problems in Mathematics Learning from the Perspective of Teachers and Students
Technology integration in mathematics learning offers opportunities to make abstract concepts more concrete, interactive, and accessible. However, its implementation in schools often faces challenges related to teacher competence, student digital literacy, infrastructure, and learning distractions…
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Journal Article
The Effect of Ethnomathematics-Based Problem-Based Learning on Junior High School Students’ Mathematical Connection Ability
Students’ limited ability to establish connections among mathematical concepts remains a persistent challenge, particularly in topics such as relations and functions that require coordination across multiple representations. While Problem-Based Learning (PBL) has been widely adopted, its…
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Journal Article
Evaluation of Lock Cover and STEM Dimensional Variations on Separation Force Using Multiple Regression and Statistical Process Control
This study addresses a critical limitation in conventional manufacturing analysis by demonstrating that dimensional variation in injection-molded press-fit systems should be interpreted as an interaction-driven phenomenon rather than independent geometric effects. The research focuses on lock stem…
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Journal Article
Application of Support Vector Regression (SVR) for Revenue Prediction Based on Total Transactions and Total Waste Volume
Reliable revenue forecasting is critical for ensuring the financial sustainability of urban sanitation infrastructure, particularly in publicly managed fecal sludge treatment systems where demand fluctuates and operational planning depends on daily service variability. However, revenue patterns in…
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Journal Article
Spatial Analysis of the Number of BPJS Ketenagakerjaan Participants using Geographically Weighted Panel Regression
Uneven participation in employment-based social protection remains a major challenge in decentralized labor markets where regional economic structures, labor informality, and institutional capacity vary substantially across locations. Conventional panel regression and standard spatial econometric…
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Journal Article
K-Nearest Neighbor-Based Forecasting of Human Ascariasis Using Profile-Driven Risk Indicators
This study addresses a critical limitation in ascariasis surveillance by introducing a mathematical modeling framework based on non-laboratory diagnostic indicators for early risk prediction in resource-constrained settings. Conventional detection methods rely heavily on laboratory diagnostics…
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Journal Article
Analysis of Students’ Financial Mathematics Ability: A Descriptive Quantitative Study
In an era of increasing financial complexity, the ability to apply mathematical reasoning in financial decision making has become a critical competence for university students, yet many still struggle to translate mathematical knowledge into practical financial contexts. This study aims to develop…
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Journal Article
Development of HOTs-Based Formative Numeration Assessment Instruments on Fractions Material for Grade Junior High School
Strengthening students’ numeracy competence and higher-order thinking skills has become an important priority in contemporary mathematics education, particularly within curriculum reforms that emphasize analytical reasoning and meaningful problem solving. However, assessment practices in many…
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Journal Article
Comparison of Non-linear Autoregressive Neural Network (NARNN) and Holt–Winters Methods for Antam Gold PricePrediction
The high volatility and nonlinear dynamics of Antam gold prices present significant challenges for accurate time series forecasting, particularly within emerging financial markets. This study aims to develop and evaluate a comparative forecasting framework by examining the performance of the…
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Journal Article
Problems Of Developing Creative Thinking In Mathematics Learning
The limited development of creative thinking in mathematics education reflects a fundamental gap between conventional instructional practices and the cognitive demands of contemporary learning. Many learning environments still emphasize procedural knowledge, restricting students’ opportunities to…
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Journal Article
Developing Teaching Materials Using a Collaborative Learning Model to Improve Students' Understanding of Mathematical Concepts in Triangles and Quadranges
This study addresses the persistent challenge of students’ low conceptual understanding in geometry, particularly in triangles and quadrilaterals, which is often attributed to the dominance of procedural teaching and limited collaborative engagement. Although collaborative learning and Realistic…
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Journal Article
Transforming Mathematics Learning for Deaf Students:The Effectiveness of the ATI Instructional Model
Mathematical word-problem solving remains a persistent challenge for deaf students, largely due to limited access to linguistic input and the abstract nature of mathematical reasoning. This study examines the effectiveness of the Aptitude Treatment Interaction (ATI) instructional model as an…
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Journal Article
Comparison of Whole Life Insurance Premiums Based on the De Moivre Mortality Model and the Indonesian Mortality Table 2019
This study examines the mathematical structure and sensitivity of whole life insurance premium calculations under two distinct mortality assumptions, namely the De Moivre mortality model and the Indonesian Mortality Table 2019 (TMI 2019). Moving beyond conventional numerical comparisons, this…
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Journal Article
Design and Development of an Interactive Learning Media Based on Authoring Tools for Fundamental Competencies in Computer Networking and Telecommunications Education
The rapid advancement of digital technology has intensified the demand for innovative learning systems capable of enhancing student engagement and supporting effective knowledge acquisition, particularly in vocational education. However, many existing digital learning tools remain fragmented…
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Journal Article
Analysis of the Impact of Changes in the Indonesian Mortality Table III to IV on Life Insurance Premiums Using the Gompertz–Makeham Model Approach
Life insurance premium determination is highly sensitive to mortality assumptions, which are typically represented through actuarial mortality tables. The transition from the Indonesian Mortality Table III (2011) to Table IV (2019) reflects structural shifts in population mortality that may alter…
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Journal Article
Forecasting Oil Palm Production Using ARIMA Time Series Model with Rainfall Indicators in Mesuji Regency
Oil palm production is a key driver of regional economic resilience in Indonesia, yet its predictability remains highly uncertain due to climate variability, particularly rainfall fluctuations. Although time series forecasting models such as ARIMA are widely applied, prior studies largely…
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Journal Article
Systematic Literature Review: Improving Students' Numeration Abilities With an Ethnomathematics Approach
This study aims to systematically examine how and under what conditions ethnomathematical approaches contribute to the development of students’ numeracy skills in mathematics education. Although ethnomathematics has been widely studied, there remains a lack of systematic synthesis focusing…
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Journal Article
Application vs. non-application contexts in Euclidean geometry tasks in grades 10–12 South African mathematics textbooks
Mathematical knowledge and ideas are shaped by cultural context, and context can influence mathematics teaching and learning. Contextualising mathematical problems provides relevance, meaning, and application to mathematical concepts, making them more accessible and engaging for students. This…
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Journal Article
GEMA: Google Site for Education in Mathematic and Algebra to Enhance Students’ Critical Thinking
This study addresses the persistent challenge of developing students’ critical thinking skills in mathematics, particularly in algebra, within increasingly digital learning environments. It aims to examine how a structured digital learning environment, GEMA (Google Sites for Education in…