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Muhammad Irwan Hadi
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Journal of Multidisciplinary Science: MIKAILALSYS
Published by Lembaga Yasin Alsys
ISSN : 29873924     EISSN : 29872286     DOI : https://doi.org/10.58578/mikailalsys
Core Subject : Science, Education, Agriculture, Social, Engineering,
Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Environmental Science Physics Social Sciences Other
Journal of Multidisciplinary Science : MIKAILALSYS [2987-3924 (Print) and 2987-2286 (Online)] is a double blind peer reviewed and open access journal to disseminating all information contributing to the understanding and development of Multidisciplinary Science. Its scope is international in that it welcomes articles from academics, researchers, graduate students and policy makers. The articles published may take the form of original research, theoretical analyses, and critical review. All articles should be in English or Arabic. MIKAILALSYS publishes 3 editions a year in April, August, and December (Unless there is co-publication with conference organizers). MIKAILALSYS journal has been indexed by Harvard University, Boston University, Dimensions, Scilit, Crossref, Web of Science Garuda, Google Scholar, and Base.
Arjuna Subject : Umum - Umum
Articles 448 Documents
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Modeling Cholera Dynamics with Vaccination and Asymptomatic Transmission: A Mathematical Framework for Outbreak Control Hassan Muhammad; Alagbe S.O. Philip Issa Tsado; Angel Otse Ogbu
Journal of Multidisciplinary Science: MIKAILALSYS Vol 4 No 2 (2026): Journal of Multidisciplinary Science: MIKAILALSYS
Publisher : Darul Yasin Al Sys

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58578/mikailalsys.v4i2.9368

Abstract

Cholera remains a persistent public health challenge in regions with limited access to clean water and adequate sanitation. Although mathematical models have substantially advanced understanding of cholera dynamics, the waning effectiveness of vaccination and the contribution of asymptomatic carriers to disease transmission have received comparatively limited attention. This study develops a mathematical model that incorporates these two epidemiologically important mechanisms to evaluate cholera transmission dynamics and outbreak-control strategies. The model stratifies the population into susceptible individuals (S), vaccinated individuals (V), asymptomatically infected individuals (A), symptomatically infected individuals (I), individuals receiving treatment in health centers (C), recovered individuals (R), and the concentration of bacteria in the aquatic environment (B). The basic reproduction number (R₀) was derived, indicating that cholera can be eliminated when R₀ < 1. Using data from cholera outbreaks reported between 2022 and 2025, numerical simulations were conducted to assess alternative intervention strategies. Sanitation measures alone reduced total cases by 43.1%, vaccination by 37.3%, and treatment by 28.0%, whereas the combined implementation of vaccination and sanitation produced a 69% reduction. Sensitivity analysis identified the human-to-human transmission rate (β₁), environment-to-human transmission rate (β₂), and vaccine effectiveness (σ) as the most influential parameters governing disease control. The findings demonstrate that integrated interventions are substantially more effective than single-control strategies and highlight the importance of combining vaccination campaigns with water, sanitation, and hygiene programs. This model contributes to cholera epidemiology by simultaneously accounting for asymptomatic transmission and waning vaccine effectiveness, thereby providing a quantitative framework for designing more effective outbreak-control policies.
Implementation of Minister of Home Affairs Regulation Number 13 of 2024 (Article 2) Concerning the Transition of Posyandu Duties and New Functions into Six Minimum Service Standard Sectors in Payakumbuh City Syarah Nur Hakiki; Rahmadhona Fitri Helmi
Journal of Multidisciplinary Science: MIKAILALSYS Vol 4 No 2 (2026): Journal of Multidisciplinary Science: MIKAILALSYS
Publisher : Darul Yasin Al Sys

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58578/mikailalsys.v4i2.10028

Abstract

The transformation of Posyandu duties and functions into six Minimum Service Standard sectors requires local government readiness, cross-sector coordination, cadre capacity, budget support, and adequate facilities. This study aims to analyze the implementation of Minister of Home Affairs Regulation Number 13 of 2024 Article 2 concerning the transition of Posyandu duties and new functions into six Minimum Service Standard sectors in Payakumbuh City. A descriptive qualitative approach with a case study design was employed. Informants were selected through purposive sampling and included local government officials, urban village officials, and Posyandu cadres. Data were collected through in-depth interviews, observation, and documentation and were analyzed through data reduction, data display, and conclusion drawing based on the Van Meter and Van Horn policy implementation model. The findings indicate that the regulation has begun to be implemented but remains in a transitional stage. Several implementation constraints were identified, including the absence of detailed technical guidelines, limited competent human resources, unclear budget utilization, weak interorganizational coordination, varied community participation, and inadequate supporting facilities. This study concludes that the effective transition of Posyandu functions requires clearer operational standards, stronger institutional coordination, and improved resource readiness at the local level. The findings contribute to public policy implementation literature and provide practical implications for local governments in strengthening technical guidance, cadre training, budget planning, infrastructure provision, and cross-sector coordination.
Manifestations of Dual Religiosity among Bemba Catholics: Beliefs and Practices within Indigenous Supernatural Cosmology in Muchinga Province, Zambia Armstrong Chanda; Austin Mumba Cheyeka; Tomaida Milingo
Journal of Multidisciplinary Science: MIKAILALSYS Vol 4 No 2 (2026): Journal of Multidisciplinary Science: MIKAILALSYS
Publisher : Darul Yasin Al Sys

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58578/mikailalsys.v4i2.10076

Abstract

Although dual religiosity has received increasing scholarly attention, its implications for religious identity and practice among Catholics in contemporary Zambia remain insufficiently understood. This study examines the manifestation of dual religiosity among Bemba Catholics in Muchinga Province, Zambia, with particular attention to beliefs and practices shaped by African Indigenous Religion (AIR) cosmology of supernatural powers and Catholicism. Using a hermeneutic phenomenological approach, data were collected from 20 Bemba Catholics and four Catholic priests through interviews, observations, and focus group discussions. The findings indicate that dual religiosity among Bemba Catholics is reflected both in belief systems and in the performance of religious duties, particularly through interpretations shaped by AIR spiritual, supernatural, and magical worldviews. Participants maintained belief in God and spiritual intermediaries, viewed divine punishment as a consequence of wrongdoing, and recognised oaths, vows, and covenants as binding religious and moral commitments. The findings also show deep reverence for ancestors alongside continued engagement with practices associated with witchcraft, sorcery, magic, divination, witch-hunting, traditional healing, and the use of traditional medicines. The study concludes that African traditional beliefs continue to influence the religious practices of African Christians, shaping how Catholic identity is understood and enacted in local contexts. Its contribution lies in clarifying how dual religiosity operates within Bemba Catholic communities and in highlighting the need for church leaders to develop context-sensitive pastoral assistance programmes for Catholics who negotiate multiple religious commitments. The study further encourages ecclesial dialogue on the integration of cultural practices with conversion approaches that respect local traditions while addressing the pastoral challenges of dual religiosity.
Local Culture-Based Ethnomathematics for Strengthening STEAM Literacy in Transdisciplinary Mathematics Education Nur Ismiyati; St. Zulaiha Nurhajarurahmah
Journal of Multidisciplinary Science: MIKAILALSYS Vol 4 No 2 (2026): Journal of Multidisciplinary Science: MIKAILALSYS
Publisher : Darul Yasin Al Sys

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58578/mikailalsys.v4i2.10212

Abstract

This study aims to describe the implementation of local culture-based ethnomathematics in strengthening STEAM literacy within transdisciplinary mathematics learning. A qualitative descriptive approach was employed through thematic analysis of 14 student projects developed by postgraduate students in the Mathematics Education Program at Universitas Negeri Makassar during the 2025/2026 academic year. Data were collected through document analysis of student project reports focusing on local culture, geometry, arts, digital technology, and STEAM-based learning. Data analysis was conducted through coding, categorization, theme synthesis, and interpretation. The findings reveal that local culture provides an effective context for STEAM-based transdisciplinary learning by connecting mathematical, scientific, artistic, and technological concepts with students’ real-life experiences. The project themes were predominantly related to local Sulawesi cultural elements, including Tongkonan traditional houses, Lipa’ Sabbe motifs, traditional weaving, Sayyang Pattudu, and natural patterns based on symmetry and fractals. STEAM integration was reflected in the use of GeoGebra and Canva for concept visualization, digital design, and mathematical exploration. The transdisciplinary projects also supported the development of numeracy, scientific, digital, visual, and cultural literacy, as well as 21st-century skills. The study concludes that integrating local culture, transdisciplinary learning, and digital technology has strong potential as an innovative mathematics learning model for supporting the implementation of the Merdeka Curriculum. These findings contribute to mathematics education by demonstrating how ethnomathematics can strengthen STEAM literacy while preserving local cultural values in technology-enhanced learning environments.
Perceptions of the Accessibility of the Universitas Negeri Padang Library and Publishing Repository among Library and Information Science Students of the 2022 Cohort Using the UTAUT Model Fini Alya Putri; Marlini Marlini
Journal of Multidisciplinary Science: MIKAILALSYS Vol 4 No 2 (2026): Journal of Multidisciplinary Science: MIKAILALSYS
Publisher : Darul Yasin Al Sys

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58578/mikailalsys.v4i2.10216

Abstract

Research on technology acceptance in higher education repository services has continued to expand; however, studies specifically examining repository accessibility through the Unified Theory of Acceptance and Use of Technology (UTAUT) remain limited, particularly among Library and Information Science students. This study aimed to describe students’ perceptions of the accessibility of the Repository of the Library and Publishing Center of Universitas Negeri Padang (UNP) using the UTAUT framework. A quantitative descriptive approach was employed, involving 48 active students from the 2022 cohort of the Library and Information Science Study Program selected through simple random sampling. Data were collected using a Likert-scale questionnaire developed based on four primary UTAUT indicators: performance expectancy, effort expectancy, social influence, and facilitating conditions. The data were analyzed using descriptive quantitative techniques, including frequency distribution, percentage analysis, and mean score calculation. The findings showed that all indicators were categorized as good, with mean scores of 2.97 for performance expectancy, 3.02 for effort expectancy, 3.01 for social influence, and 3.01 for facilitating conditions. These results indicate that the UNP repository is perceived as beneficial for supporting academic activities, relatively easy to use, supported by the academic environment, and facilitated by adequate infrastructure and services. The study concludes that the Repository of the Library and Publishing Center of Universitas Negeri Padang provides accessible academic information services for students. These findings contribute to the literature on technology acceptance in higher education repository services and imply the need to improve search features, enhance technical support, and strengthen repository socialization programs to optimize digital information services in higher education institutions.
Physics-Informed Neural Networks for Solving Stochastic Differential Equations Rishav Jha; Kameshwar Sahani; Suresh Kumar Sahani; Ravi Kumar Raj; Dilip Kumar Sah
Journal of Multidisciplinary Science: MIKAILALSYS Vol 4 No 2 (2026): Journal of Multidisciplinary Science: MIKAILALSYS
Publisher : Darul Yasin Al Sys

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58578/mikailalsys.v4i2.10240

Abstract

Stochastic differential equations (SDEs) are fundamental tools for modeling systems with inherent randomness across finance, physics, biology, and engineering; however, traditional numerical methods, including Monte Carlo simulations and Euler–Maruyama schemes, often face substantial computational challenges, particularly in high-dimensional settings. This study aims to develop and evaluate a comprehensive Physics-Informed Neural Networks (PINNs) framework as an efficient approach for solving SDEs. The proposed methodology embeds physical laws and stochastic dynamics directly into the neural network architecture through a carefully designed loss function that incorporates PDE residuals, initial conditions, and boundary constraints. The framework was evaluated through extensive numerical experiments on benchmark problems, including geometric Brownian motion, Ornstein–Uhlenbeck processes, and multi-dimensional stochastic systems. The findings indicate that PINNs achieve accuracy comparable to traditional numerical methods while providing substantial computational advantages, especially for parametric studies and real-time applications. Across all test cases, relative L2 errors consistently remained below 2%, and computational speedups reached up to 1000 times compared with Monte Carlo methods after network training. The proposed framework also demonstrated strong scalability for higher-dimensional problems, addressing the curse of dimensionality commonly associated with conventional numerical approaches. This study concludes that PINNs offer a promising paradigm for the efficient and accurate solution of stochastic differential equations. Its contribution lies in advancing scientific machine learning for stochastic modeling and opening further opportunities for uncertainty quantification and real-time computational applications.
The Effect of Digital Finance Usage and Green Awareness on Responsible Consumerism among Students of the Economic Education Study Program at Universitas PGRI Jombang Bela Purwaning Tyas; Lina Susilowati
Journal of Multidisciplinary Science: MIKAILALSYS Vol 4 No 2 (2026): Journal of Multidisciplinary Science: MIKAILALSYS
Publisher : Darul Yasin Al Sys

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58578/mikailalsys.v4i2.10243

Abstract

The increasing use of digital financial services and the growing importance of environmental awareness have become central factors in shaping responsible consumption behavior among university students. This study aims to analyze the effect of digital finance usage and green awareness on responsible consumerism among students of the Economic Education Study Program at Universitas PGRI Jombang. A quantitative approach with an explanatory research design was employed. The population comprised 107 students from the 2022–2025 cohorts, from which 85 respondents were selected using proportional random sampling. Data were collected through questionnaires and analyzed using multiple linear regression with SPSS version 27. The findings indicate that digital finance usage has a positive and significant effect on responsible consumerism, with a regression coefficient of 0.383 and a significance value of 0.000. Green awareness also has a positive and significant effect, with a regression coefficient of 0.636 and a significance value of 0.000. Simultaneously, digital finance usage and green awareness significantly influence responsible consumerism, as reflected in an Adjusted R Square value of 0.837. The study concludes that effective use of digital financial services and strong environmental awareness encourage more responsible and sustainable consumption behavior among students. These findings contribute to the literature on financial behavior and sustainable consumption by highlighting the combined role of digital finance and green awareness in promoting responsible consumerism, while also implying the need to strengthen digital financial literacy and environmental education in higher education institutions.
Securing Regional Influence in a Contested Pacific: The Pukpuk Treaty as Instrument of Australia’s Foreign Policy toward Papua New Guinea Ferditania Estirahayu; Rodon Pedrason; Anak Agung Banyu Perwita
Journal of Multidisciplinary Science: MIKAILALSYS Vol 4 No 2 (2026): Journal of Multidisciplinary Science: MIKAILALSYS
Publisher : Darul Yasin Al Sys

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58578/mikailalsys.v4i2.10257

Abstract

Although geopolitical competition in the Pacific has attracted increasing scholarly attention, studies specifically examining the Pukpuk Treaty as a multidimensional instrument of Australia’s foreign policy toward Papua New Guinea (PNG) remain limited. Existing scholarship has largely emphasized Australia–China rivalry at the macro-regional level, while the interaction between strategic competition, bureaucratic dynamics, and defense diplomacy within the treaty framework remains underexplored. This study aims to analyze how Australia uses the Pukpuk Treaty to maintain regional influence amid intensifying geopolitical competition in the Pacific. Using a qualitative case study approach, the research examines Australia–PNG security relations within the broader Indo-Pacific strategic environment. Data were collected through document analysis and literature review of official government publications, policy reports, bilateral cooperation documents, and academic literature. The analysis applies Neoclassical Realism, the Bureaucratic Politics Model, and Defense Diplomacy as complementary analytical frameworks. The findings indicate that the Pukpuk Treaty reflects a shift in Australia’s Pacific strategy from development-oriented engagement toward institutionalized security cooperation. The treaty functions not only as a bilateral defense arrangement but also as a mechanism for preserving Australia’s regional leadership, strengthening institutional alignment with PNG, and limiting China’s growing influence. The study concludes that the Pukpuk Treaty plays an important role in shaping regional security architecture and alignment dynamics in the Pacific. This study contributes to foreign policy and Indo-Pacific security studies by clarifying how defense diplomacy, bureaucratic interests, and strategic competition intersect in Australia’s engagement with PNG.
The Effectiveness of the Cigarette Tax Earmarking Policy for Healthcare Financing in Indonesia: A Systematic Literature Review Mohamad Djasuli; Fatimatus Zahra; Isnanda Fitri Maulidina
Journal of Multidisciplinary Science: MIKAILALSYS Vol 4 No 2 (2026): Journal of Multidisciplinary Science: MIKAILALSYS
Publisher : Darul Yasin Al Sys

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58578/mikailalsys.v4i2.10258

Abstract

Optimizing cigarette tax earmarking is important as a fiscal instrument to support healthcare financing and strengthen Regional Original Revenue (Pendapatan Asli Daerah [PAD]) in Indonesia. Although this policy has been normatively regulated through various legal frameworks, its regional implementation continues to face challenges, including ineffective fund utilization, weak supervision, and limited transparency and accountability in budget management. This study aims to analyze the contribution of cigarette tax to regional revenue and evaluate the effectiveness of cigarette tax earmarking in supporting healthcare financing in Indonesia. A qualitative approach using the Systematic Literature Review (SLR) method was employed. Data were collected from relevant national and international scientific journal articles indexed in Google Scholar, SINTA, and Garuda. The literature selection process followed the PRISMA framework through identification, screening, eligibility assessment, and inclusion stages. Based on this process, 15 articles met the inclusion criteria and were analyzed using a descriptive-analytical approach. The findings indicate that cigarette tax contributes significantly to regional revenue and has substantial potential to support healthcare financing through an earmarking mechanism. However, policy implementation remains suboptimal because of a persistent gap between regulatory design and practical execution. Major obstacles include low tax revenue realization, inappropriate budget allocation, weak monitoring systems, and disparities in regional governance capacity. The study concludes that cigarette tax earmarking in Indonesia is normatively sound but operationally weak, requiring stronger supervision, transparency, and accountability in fund management. This study contributes to public finance and health policy literature by clarifying the fiscal role and implementation constraints of cigarette tax earmarking, while its practical implications emphasize the need to improve regional fiscal governance to strengthen healthcare financing and regional fiscal autonomy.
Human Resource Transformation of the Merah Putih Cooperative in Sinjai Regency Tuti Supatminingsih; Andi Asti Handayani; Kartika Septiary Pratiwi Musa
Journal of Multidisciplinary Science: MIKAILALSYS Vol 4 No 2 (2026): Journal of Multidisciplinary Science: MIKAILALSYS
Publisher : Darul Yasin Al Sys

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58578/mikailalsys.v4i2.10262

Abstract

Human resource (HR) transformation is a major challenge in developing the Merah Putih Cooperative in Sinjai Regency, particularly in responding to digitalization and strengthening cooperative institutions. Low digital literacy, limited managerial capability, weak innovation culture, and slow leadership regeneration have hindered the cooperative’s optimal development. This study aims to analyze the condition of HR transformation, identify the challenges faced by the cooperative, and formulate strategies for strengthening HR at the Merah Putih Cooperative in Sinjai Regency. A qualitative approach with a case study design was employed. Research informants consisted of cooperative administrators, cooperative members, cooperative assistants, and representatives of the Sinjai Regency Cooperative and MSME Office. Data were collected through in-depth interviews, observation, documentation, and Focus Group Discussions (FGDs), and were analyzed using the Miles, Huberman, and Saldaña model. The findings indicate that cooperative HR transformation has not yet been implemented optimally. Most cooperatives continue to rely on manual administrative systems and have limited digital capability. However, some cooperatives have begun to transform through digital training, social media use, and collaboration with universities. The study also found that transformational leadership and member participation are important factors supporting successful cooperative transformation. The study concludes that strengthening digital competence, adaptive organizational culture, and innovative leadership is essential for developing modern and competitive cooperatives. Its implications emphasize the need for sustainable training programs and multi-stakeholder collaboration to support cooperative HR development.

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