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Academia Open
Published by Universitas Muhammadiyah Sidoarjo
ISSN : -     EISSN : 27147444     DOI : 10.21070/acopen.11.2026.12985
Core Subject : Health,
Medicine & Pharmacology Public Health
Academia Open is published by Universitas Muhammadiyah Sidoarjo published 2 (two) issues per year (June and December). This journal provides immediate open access to its content on the principle that making research freely available to the public supports a greater global exchange of knowledge. This journal aims is to provide a place for academics and practitioners to publish original research and review articles. The articles basically contains any topics research or review. Academia Open is available in online version. Language used in this journal is Indonesia or English.
Arjuna Subject : Profesi Kesehatan - Profesi Kesehatan (Lain-Lain)
Articles 2,389 Documents
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Integrated FTA and FMEA for HDPE Plastic Bag Defect Reduction Fitria Novi Ariestiyani; Rr. Rochmoeljati
Academia Open Vol. 11 No. 1 (2026): June
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/acopen.11.2026.13369

Abstract

General Background: Quality risk mitigation is essential for maintaining production stability and product conformity in manufacturing industries. Specific Background: PT XYZ produces High Density Polyethylene plastic bags in various sizes, with the 15×30 size exhibiting the highest defect rate during January–September 2025, particularly folded, incorrect cutting, asymmetrical cut, and no handle hole defects. Knowledge Gap: Previous studies generally applied Fault Tree Analysis (FTA) or Failure Mode and Effect Analysis (FMEA) separately or focused on limited defect types and specific production stages, resulting in less comprehensive defect evaluation. Aims: This study aims to systematically identify root causes and determine improvement priorities for dominant defects in 15×30 HDPE plastic bag production through an integrated FTA and FMEA framework. Results: FTA identified 15 critical basic events associated with operator control, machine condition, material handling, and maintenance practices. Defect probability values were 7.079% for folded, 9.314% for incorrect cutting, 9.741% for asymmetrical cut, and 6.635% for no handle hole defects. FMEA results showed the highest Risk Priority Number for folded defects (RPN 240), followed by incorrect cutting (RPN 210), asymmetrical cut (RPN 180), and no handle hole (RPN 175). Novelty: The study integrates deductive root cause modeling and quantitative risk prioritization within a single analytical structure applied to a specific industrial product size. Implications: The proposed actions, including SOP standardization, preventive maintenance, calibration, and operator monitoring, provide structured guidance for systematic defect reduction and sustainable quality management in HDPE plastic bag manufacturing. Highlights: Fifteen critical basic events were mapped across operator, machine, material, and maintenance factors. Incorrect cutting and asymmetrical cut showed the largest probability values among dominant nonconformities. Risk prioritization placed folded nonconformity at the top improvement rank based on RPN assessment. Keywords: Fault Tree Analysis, Failure Mode and Effect Analysis, HDPE Plastic Bags, Defect Probability, Risk Priority Number  
Legal Uncertainty of Sentana Men in Nyentana Divorce Inheritance : Ketidakpastian Hukum Kedudukan Sentana Men dalam Pewarisan Akibat Perceraian Nyentana Gracea Inggrid Michellani; Tjempaka Tjempaka
Academia Open Vol. 11 No. 1 (2026): June
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/acopen.11.2026.13379

Abstract

General Background Balinese customary law regulates marriage, kinship, and inheritance through a patrilineal system that assigns inheritance rights and customary obligations primarily to men as purusa. Specific Background Nyentana marriage constitutes a customary deviation in which a man enters the wife’s family lineage and relinquishes his original kinship status, creating distinct legal consequences within Balinese customary law. Knowledge Gap Despite its practice, Balinese customary law does not clearly regulate the legal status and inheritance position of sentana men following divorce, resulting in normative ambiguity across customary communities. Aims This study examines the legal standing and inheritance rights of sentana men whose nyentana marriages end in divorce under Balinese customary law. Results The findings show that sentana men are regarded as having exited their original family and do not automatically regain purusa status after divorce, leading to the absence of inherent inheritance rights from either family lineage. In practice, inheritance from the original family may occur only through discretionary family agreement and customary acceptance. Novelty This research highlights persistent legal uncertainty in post-divorce customary status and inheritance positioning of sentana men within nyentana marriage structures. Implications The study underscores the need for clearer customary regulations to prevent legal vulnerability and disputes concerning inheritance and customary obligations in Balinese society. Highlights: Divorce in nyentana marriage does not restore former customary kinship status. Post-divorce inheritance claims lack uniform customary regulation. Family discretion determines possible asset allocation outcomes. Keywords: Nyentana Marriage, Balinese Customary Law, Inheritance Rights
BYOND BSI Mobile Banking Usability Marginal Category with SUS 63.42: Usabilitas Mobile Banking BYOND BSI Kategori Marginal dengan SUS 63,42 Nadia Herawati; Jaka Septiadi
Academia Open Vol. 11 No. 1 (2026): June
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/acopen.11.2026.13383

Abstract

General Background: Digital transformation in Islamic banking requires mobile banking applications with high usability to ensure customer satisfaction. Specific Background: BYOND by BSI represents a flagship mobile banking platform whose usability determines user acceptance and service quality. Knowledge Gap: Previous studies mainly evaluated older versions or competitor applications, leaving a lack of comprehensive and recent usability assessment of the re-branded BYOND by BSI. Aims: This study aims to measure the usability level of BYOND by BSI and identify interface interaction barriers using System Usability Scale (SUS) and Heuristic Evaluation (HE). Results: Findings show a SUS score of 63.42, placing the application in the “Marginal” acceptability category with “OK” rating (Grade C-), supported by heuristic issues such as linear navigation, inconsistent visual feedback, limited user control, absence of shortcut features, and inadequate help access. Novelty: The study integrates user-based SUS measurement with expert-based heuristic evaluation to provide a comprehensive usability analysis of a re-branded Islamic mobile banking application. Implications: The results provide a structured roadmap for interface redesign, focusing on navigation improvement, visual consistency, and feature optimization to achieve the acceptable usability threshold (72.6) and improve user experience quality. Highlights SUS score indicates usability positioned below acceptable threshold Interface issues identified in navigation structure and visual feedback consistency Integrated evaluation reveals detailed technical barriers from user and expert perspectives KeywordsSystem Usability Scale; Heuristic Evaluation; Usability; BYOND BSI; Islamic Mobile Banking      
Principals Strategies for Merdeka Curriculum Implementation in Early Childhood Education: Strategi Kepala Sekolah dalam Implementasi Kurikulum Merdeka pada PAUD Eva Kristina; Munawar Munawar; Cut Khairani; Siraj Siraj; Najmuddin ⁠ Najmuddin
Academia Open Vol. 11 No. 1 (2026): June
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/acopen.11.2026.13388

Abstract

General Background: The implementation of the Merdeka Curriculum in Early Childhood Education requires strategic leadership to support learning transformation. Specific Background: Variations in school readiness, human resource capacity, and local conditions present challenges in Aceh Tamiang Regency. Knowledge Gap: Previous studies have largely focused on primary and secondary education, with limited attention to principal strategies in early childhood education contexts. Aims: This study aims to analyze principals’ strategies in implementing the Merdeka Curriculum at the PAUD level based on Mintzberg’s strategic dimensions: plan, ploy, pattern, and perspective. Results: Using a qualitative multisite case study approach in three kindergartens, the findings reveal that principals align school vision with the Pancasila student profile, develop collaborative programs, empower teachers through training and mentoring, implement consistent monitoring and evaluation, and foster a child-centered learning culture. Novelty: This study extends the application of Mintzberg’s strategic framework to early childhood education leadership within the Merdeka Curriculum context. Implications: The findings provide a practical reference for principals and policymakers in designing contextual, collaborative, and sustainable leadership strategies to support curriculum implementation in early childhood education. HIGHLIGHTS • Alignment of institutional vision with national student character framework guides implementation• Teacher empowerment conducted through structured training and collaborative learning communities• Continuous evaluation and routine practices sustain child-centered learning environments KEYWORDS Principals Strategies; Merdeka Curriculum; Early Childhood Education; Educational Leadership; Curriculum Implementation
Mudharabah Financing Stagnation in Rural Islamic Microfinance: Stagnasi Pembiayaan Mudharabah di Keuangan Mikro Syariah Pedesaan Mohammad Firmansyah; Moh.Jeweherul Kalamiyah; Khairul Anam
Academia Open Vol. 11 No. 1 (2026): June
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/acopen.11.2026.13390

Abstract

General Background: Mudharabah financing is conceptually positioned as a core partnership-based instrument in Islamic finance emphasizing fairness and risk sharing. Specific Background: However, its implementation in rural Islamic Microfinance Institutions remains limited, particularly in agricultural communities of Sukowono and Jambesari Darus Sholah. Knowledge Gap: Prior studies largely focus on user perception and preference, with limited exploration of operational implementation gaps between regulatory frameworks and rural economic realities. Aims: This study aims to analyze factors causing the failure of DSN-MUI Fatwa No. 7 of 2000 implementation in mudharabah financing among rural farmers. Results: Using a qualitative case study with triangulation, findings reveal zero customer uptake for nearly six years, driven by three main barriers: functional literacy gap, institutional rigidity, and dominance of informal finance. The study also identifies a “Risk Mitigation Paradox,” where strict procedures intended to reduce risk instead restrict access, alongside “Subsistence Mismatch,” reflecting misalignment between productive financing design and consumptive household needs. Novelty: This research introduces analytical concepts including Functional Literacy Gap, Risk Mitigation Paradox, and Subsistence Mismatch to explain systemic stagnation. Implications: The findings suggest the need for simplified procedures, participatory financial literacy, and hybrid financing integrating social and commercial instruments to restore relevance of mudharabah in rural economic empowerment. Highlights• Zero adoption of profit-sharing scheme recorded over six years• Administrative rigidity creates exclusion despite compliance intentions• Informal lenders dominate due to faster access and simpler procedures KeywordsMudharabah Financing; Islamic Microfinance Institutions; Rural Farmers; Financial Literacy; Informal Economy
Gamified Eco Hero Academy for Elementary Environmental Education: Akademi Pahlawan Lingkungan Berbasis Permainan untuk Pendidikan Lingkungan Tingkat Dasar
Academia Open Vol. 10 No. 1 (2025): June
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/acopen.10.2025.13393

Abstract

General Background: Environmental education in elementary schools plays a crucial role in shaping students’ ecological awareness and character development amid escalating global environmental challenges. Specific Background: In Indonesia, a significant gap persists between theoretical instruction on environmental conservation and students’ daily practices, particularly in waste management. Knowledge Gap: Conventional teaching methods remain largely lecture-based and less responsive to digital-native learners, resulting in limited engagement and weak integration of knowledge and action. Aims: This study presents the development of “Eco-Hero Academy,” a gamification-based digital learning application designed to integrate environmental knowledge, attitudes, and practical skills for elementary students. Results: The application integrates structured menus comprising competency assessment (affective, cognitive, psychomotor domains), interactive materials in slide and video formats covering six core environmental topics, and six educational game variations including word guessing, rapid quizzes, secret missions, storytelling, clean relay, and clean–dirty categorization. Novelty: The platform systematically combines gamified challenges, point accumulation, ranking systems, and multimedia content within a single integrated learning ecosystem tailored to elementary learners. Implications: Eco-Hero Academy offers a structured digital instructional medium that bridges theory and practice, supports teachers’ instructional strategies, and promotes sustained ecological awareness through interactive and personalized learning experiences. Keywords: Gamification, Environmental Education, Elementary School, Instructional Media, Waste Management Key Findings Highlights: The platform integrates competency assessment with multimedia environmental content and structured challenges. Six interactive game formats facilitate direct application of ecological knowledge in simulated contexts. The system combines ranking, scoring, and personalized profiles within a unified digital learning environment.
Risk Management Analysis on Implementation Time Performance Using the House of Risk (HoR) Model in Toll Road Construction Projects M. Iqbal Vikri Dzulfikar; Budi Susetyo
Academia Open Vol. 11 No. 1 (2026): June
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/acopen.11.2026.13398

Abstract

General Background: Infrastructure development, particularly toll road construction, plays a critical role in regional transformation and economic growth, yet project delays remain a persistent issue. Specific Background: In Indonesia, approximately 38% of toll road projects experience implementation delays, as observed in the Serang–Panimbang Toll Road Section 3 project, which underwent a significant time extension. Knowledge Gap: Limited knowledge and inadequate coordination in project risk management hinder effective identification and mitigation of delay-causing factors during the implementation phase. Aims: This study aims to analyze risk factors affecting time performance and determine priority mitigation strategies using the House of Risk (HoR) model. Results: The analysis identified 18 risk events and 18 risk agents categorized into technical, managerial, environmental, and external variables, with four dominant risk agents including design inconsistency with soil data, foreign loan dependency, unprepared technical-administrative data, and land acquisition issues. Novelty: The integration of HoR Phase 1 and Phase 2 with expert validation and N-Vivo analysis provides a structured prioritization of risk agents and corresponding preventive actions. Implications: The findings support the development of targeted risk management strategies, including design validation, contractual adjustments, early document preparation, and legal verification, to reduce potential delays and improve project time performance. Highlights: Four dominant risk agents were prioritized based on Aggregate Risk Potential values. Delay causes were grouped into technical, managerial, environmental, and external categories. Preventive actions were ranked using effectiveness-to-difficulty evaluation. Keywords: Freeway, Risk Management, Risk Matrix, Risk Management Strategy
Testing the Effectiveness of Areca Catechu Seed Extract as a Stamina Booster in Laboratory Mice Imam Samudra; Taufikur Rahman; Lisa Narulita
Academia Open Vol. 11 No. 1 (2026): June
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/acopen.11.2026.13399

Abstract

General Background: Stamina is an important physiological indicator that determines the ability of organisms to sustain prolonged physical activity without excessive fatigue. Specific Background: Natural plant-based substances such as Areca catechu seeds are traditionally used as stimulants because they contain bioactive compounds including alkaloids, flavonoids, and tannins. Knowledge Gap: However, experimental evidence regarding the stamina-related physiological response to Areca catechu seed extract in controlled laboratory conditions remains limited. Aims: This study aimed to evaluate the ability of Areca catechu seed extract to increase stamina in male mice using a swimming endurance test. Results: The experiment involving five groups of mice showed that extract administration increased swimming endurance time, with the highest duration recorded at the 2 g/kg body weight dose. Novelty: The findings demonstrate a clear dose-dependent pattern of increased endurance following administration of Areca catechu seed extract. Implications: These results indicate the potential of Areca catechu extract as a natural candidate for stamina-related phytopharmaceutical development. Highlights: Higher extract dosage produced progressively longer activity duration in experimental animals. The 2 g/kg BW treatment generated the longest recorded performance time among all groups. Statistical testing confirmed measurable differences between treatment groups and untreated animals. Keywords: Areca Catechu, Areca Nut, Stamina, Mice, Swimming Endurance Test.
Integrated Population Administration System With Automated WhatsApp Notifications: Sistem Administrasi Kependudukan Terpadu dengan Notifikasi WhatsApp Otomatis Erma Puspita; Nuril Lutvi Azizah; Cindy Taurusta; Yunianita Rahmawati
Academia Open Vol. 10 No. 2 (2025): December
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/acopen.10.2025.13404

Abstract

General Background: Digital transformation has become essential for improving the quality and responsiveness of public administrative services, particularly those managing large volumes of citizen data. Specific Background: Population administration services at the sub-district level in Kecamatan Waru have faced challenges related to manual data processing, limited service transparency, and the lack of direct notification mechanisms for informing applicants about document progress. Knowledge Gap: Existing studies tend to address population data management systems or notification features separately, while integrated implementation combining administrative systems with automated messaging services at the sub-district level remains limited. Aims: This study aimed to design and implement a web-based population administration information system integrated with the WhatsApp Business API using the Rapid Application Development method. Results: The developed system enables centralized management of population service data and automatically sends document status notifications to applicants through WhatsApp; functional testing confirmed system reliability, and user acceptance testing recorded a satisfaction score of 91.43%. Novelty: The study offers an applied model of integrating population administration services with automated WhatsApp notifications that has been implemented and evaluated in an actual sub-district setting. Implications: This system supports more transparent, timely, and user-oriented public services by reducing information delays and improving communication between government offices and citizens. Highlights: Centralized Web Management Streamlined Handling of Citizen Service Applications. Automated Messaging Delivered Timely Document Status Updates to Applicants. User Evaluation Indicated High Acceptance Among Sub-District Service Staff. Keywords: Population Administration, Information System, Rapid Application Development, Whatsapp Blast, Public Service
GAN and DINOv2 Framework for Robust Cross-Condition Gait Recognition Zaid Derea
Academia Open Vol. 11 No. 1 (2026): June
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/acopen.11.2026.13411

Abstract

General Background: Gait recognition is a remote, non-invasive biometric widely used in forensics, surveillance, and security systems. Specific Background: Deep learning has advanced gait analysis, yet CNN-based approaches struggle with temporal coherence, cross-view variation, and degraded silhouettes. Knowledge Gap: Existing studies typically separate gait synthesis and recognition, with limited use of self-supervised transformers and insufficient joint evaluation of generative quality and identification performance. Aims: This study proposes an integrated framework combining multi-GAN gait reconstruction, DINOv2 vision transformer feature extraction, and CNN-based identity classification. Results: StyleGAN2 produced the most realistic silhouettes (PSNR 31.2 dB, SSIM 0.925, FID 18.3), while DINOv2 yielded highly separable 768-dimensional features, leading to 98.3% classification accuracy across varied walking conditions and strong clustering metrics (NMI 0.891, ARI 0.847). Novelty: The work unifies generative gait synthesis, transformer-guided spatiotemporal representation, and comprehensive evaluation within a single pipeline. Implications: The framework supports reliable biometric verification in forensic investigation, surveillance monitoring, rehabilitation assessment, and real-time security deployment under clothing, view, and carrying variations. Highlights: Joint GAN synthesis and transformer features within one gait recognition pipeline. High-quality silhouette reconstruction linked to superior identity separability. Stable recognition (>94%) under clothing, view, speed, and carrying variations. Keywords: Gait Recognition, GAN, DINOv2, Biometric Identification, Computer Vision

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