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Interdisciplinary Social Studies
Published by CV. International Journal Labs
ISSN : 28080467     EISSN : 28085051     DOI : 10.55324
Core Subject : Health, Education, Social,
Environmental Science Languange, Linguistic, Communication & Media Public Health Social Sciences
nterdisciplinary Social Studies (ISS) is an interdisciplinary publication of social studies and writing which publishes papers to international audiences of social researchers. ISS aims to provide a forum for scholarly understanding of social studies and plays an important role in promoting the process that accumulated knowledge, values, and skills are transmitted from one generation to another; and making methods and contents of evaluation and research in social, available to socialist and research workers. The journal encompasses a variety of topics, including education, management, cultural studies, law, social health, psychology, and geography, to economics belonging to the social context. Papers accepted: 1) Report evaluation and original research; 2) Literature review; and 3) An extensive book reviews section on social materials and equipment.
Arjuna Subject : Ilmu Sosial - Ilmu Sosial (Lain-Lain)
Articles 467 Documents
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Fostering Energy Saving Potential Through Preliminary Energy Audit in Fuel Terminal: A Case Study Oktasio Fahlevi; Todo Hotma T Simarmata; Ginanjar Indra Maulana
Interdisciplinary Social Studies Vol. 5 No. 2 (2026): Interdisciplinary Social Studies
Publisher : International Journal Labs

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55324/iss.v5i2.1044

Abstract

The energy audit is a method for analyzing energy use patterns in a facility and identifying potential efficiency improvement opportunities. In this study, level 2 of the energy audit was conducted at one of Indonesia's fuel terminals. The energy performance indicator (ENPI) was calculated over three years. The ENPI of the fuel terminal increased from 2022 to 2024, indicating that energy consumption per unit of production (kL) rose year by year. The increase from 2022 to 2023 was 27%, while that from 2023 to 2024 was 14%. A higher ENPI value indicates greater energy consumption to produce each kiloliter of product. The implementation of energy conservation opportunities is expected to reduce energy consumption by an average of 5–10% per month, equivalent to approximately 35,784–48,585 kWh per month, and can also reduce CO? emissions by 298.14 TonCO?Eq using an emission factor of 0.83. In order to implement an energy management system, the organization must establish a supporting system, particularly an energy policy that defines the company’s general energy-related policies.
Antibacterial Activity Test of Lerak Fruit Extract (Sapindus rarak DC.) Against the Growth of the Bacterist Streptococcus Mutans Risnawati Risnawati; Kartika Sari
Interdisciplinary Social Studies Vol. 5 No. 2 (2026): Interdisciplinary Social Studies
Publisher : International Journal Labs

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55324/iss.v5i2.1045

Abstract

Lerak (Sapindus rarak DC.) is a plant native to Southeast Asia that grows well in Indonesia, especially in Sumatra and Java. Lerak is traditionally used as a laundry detergent, facial soap, insect repellent, and fungus repellent. Lerak contains phytochemical compounds that function as antibacterials. This study aims to test the antibacterial activity of lerak fruit extract against Streptococcus mutans bacteria, which cause dental caries. The method in this study involves preparing lerak fruit extract by maceration using 70% ethanol solvent and conducting an inhibition zone test using the diffusion method. Based on the test results, the lerak fruit extract is positive for alkaloids, flavonoids, tannins, saponins, and terpenoids. The results also showed that increasing the concentration of lerak fruit extract produced a wider inhibition zone. The average inhibition zones at concentrations of 25%, 50%, and 100% were 8.83 ± 0.958 mm, 11.78 ± 3.081 mm, and 12.14 ± 0.918 mm, respectively. The novelty of this research lies in the comprehensive evaluation of lerak fruit extract's antibacterial potency against S. mutans using systematic concentration gradients, which has not been extensively documented in previous literature. This study provides practical implications, as lerak fruit extract demonstrates potential as an alternative natural antibacterial agent for oral health applications, offering a safer option with fewer side effects compared to synthetic chemical compounds. However, this study is limited to in vitro testing against a single bacterial strain, and further research is needed to evaluate its efficacy in clinical settings and against polymicrobial oral biofilms.
Factors Influencing Women’s Career Choice in STEM: A Case Study of Batam State Polytechnic Alumni Shinta Wahyu Hati; Yesica Rumata Nababan
Interdisciplinary Social Studies Vol. 5 No. 2 (2026): Interdisciplinary Social Studies
Publisher : International Journal Labs

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55324/iss.v5i2.1046

Abstract

This study aims to determine the factors influencing women's career choices and the most dominant factor among female alumni from the Department of Mechanical and Electrical Engineering at Batam State Polytechnic, particularly in the field of STEM (Science, Technology, Engineering, and Mathematics) engineering. This study uses a quantitative approach with the factor analysis method and a sample of 100 respondent alumni selected via the saturated sampling technique. The results showed that the most dominant factor in women's career choices in STEM engineering is the personality factor. This study confirms that, although personality emerged as the dominant factor, the financial reward factor and family environment factor also influence women's career decisions. In this study, 11 variables were reduced to three key factors driving women's career choices in engineering: personality, financial rewards, and family environment. The practical implication of this study is the need for mentorship programs, increased information about the prospects of financial rewards, and more intensive family support to encourage more women to pursue careers in engineering. This research makes a theoretical contribution to understanding women's career motivations in STEM fields and can serve as a basis for promotion to prospective students.
Machine Learning Applications in Employee Turnover and Performance Prediction: A Systematic Literature Review Agistya Maharani Joner; Elvira Masitoh Purbaningrum
Interdisciplinary Social Studies Vol. 5 No. 2 (2026): Interdisciplinary Social Studies
Publisher : International Journal Labs

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55324/iss.v5i2.1047

Abstract

Organizations are increasingly adopting data-driven methods in human capital management, particularly for predicting employee performance and turnover, due to the growing availability of workforce data. Although machine learning has shown promise in this field, current research often examines performance and turnover prediction independently. However, employee performance plays a critical role in predicting turnover, as these two outcomes are interconnected—performance frequently influences individual decisions to remain with or leave a company. This study aims to identify frequently used models, input features, and evaluation metrics in machine learning, as well as to evaluate models that perform well on both prediction tasks. In accordance with PRISMA principles, a systematic literature review (SLR) of peer-reviewed research published between 2020 and 2025 was conducted. After applying predetermined inclusion and exclusion criteria, 23 papers were selected from academic databases (Scopus and Google Scholar). The review results demonstrate that tree-based ensemble models and neural network-based methodologies frequently outperformed other machine learning methods in predicting both performance and turnover. Models such as Random Forest, Gradient Boosting, XGBoost, and deep learning architectures (DNN, RNN-LSTM) delivered exceptional prediction accuracy, while hybrid models further enhanced outcome explainability, reliability, and practical application in HR analytics. These findings offer critical managerial implications by guiding HR practitioners in selecting appropriate predictive models for workforce planning, retention strategies, and performance management systems. They also highlight key research gaps, including dataset bias, ethical considerations in algorithmic decision-making, and the need for longitudinal validation studies across diverse organizational contexts.
Analysis of Medical Responsibility for the Risks of Clinical Trials of the TB Vaccine in Indonesia: A Case Study on Legal Protection for Research Subjects Tony Richard Alexander Samosir
Interdisciplinary Social Studies Vol. 5 No. 2 (2026): Interdisciplinary Social Studies
Publisher : International Journal Labs

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55324/iss.v5i2.1049

Abstract

Indonesia is a country governed by the rule of law, which provides legal guarantees and protection for all its citizens, including in matters related to health services. This protection also extends to individuals who participated as subjects in the TB vaccine clinical trials conducted several months ago. These circumstances raise questions regarding the forms of medical and legal responsibility owing to clinical trial subjects when risks arise during or after the research. They also prompt an examination of whether the informed consent procedures and legal safeguards applied in the TB vaccine clinical trials in Indonesia align with the principles of fairness and safety for research participants. This brief study employs a normative juridical approach, relying on secondary data obtained through library research. The findings indicate the following: First, medical and legal responsibilities toward TB vaccine clinical trial subjects in the event of risks occurring during or after the research include the obligation to report such incidents to the Ethics Committee and to accept the consequences of any errors committed. Second, the informed consent mechanisms and legal protections implemented in TB vaccine clinical trials in Indonesia do not fully satisfy the principles of fairness and safety for research subjects.
The Dynamics of Implementing E-Evaluation in Islamic Boarding Schools: A Solution-Oriented Study Irwan Suanto; Sri Murhayati; Yuliharti Yuliharti
Interdisciplinary Social Studies Vol. 5 No. 2 (2026): Interdisciplinary Social Studies
Publisher : International Journal Labs

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55324/iss.v5i2.1050

Abstract

Digital transformation in education has encouraged Islamic boarding schools (Pesantren) to adopt e-evaluation systems for learning assessment. However, implementing e-evaluation in Pesantren involves distinctive pedagogical, cultural, and ethical dynamics. This article examines the dynamics of e-evaluation implementation in Pesantren and proposes a contextual, value-based conceptual model for e-evaluation. The study employs a library research approach, reviewing academic books, national and international journal articles, and relevant documents on learning assessment, e-learning, and Pesantren education. Data were analyzed using content analysis to identify challenges, opportunities, and prevailing trends related to e-evaluation in Pesantren. The findings indicate that the main challenge lies in the mismatch between cognitively oriented digital assessment paradigms and the holistic educational goals of Pesantren. This article proposes an integrative conceptual model of Pesantren e-evaluation grounded in pedagogical, cultural, and ethical principles. The model positions e-evaluation as a supportive instrument for holistic assessment that reinforces educators’ roles and Islamic educational values. This study is expected to provide a conceptual reference for developing adaptive and sustainable e-evaluation systems in Pesantren during the digital era. It contributes theoretically to understanding digital transformation in traditional religious educational contexts and offers practical implications for Pesantren administrators seeking to implement adaptive evaluation systems. The research limitations include its conceptual nature, which requires empirical validation, and its focus on Indonesian Pesantren contexts, which may limit generalizability to other Islamic educational settings.
Determination of Soft Soil Permeability Parameters Using Plaxis 2D Based on Settlement Plate Monitoring Data Bagas Hendi Pratama; Yudhi Lastiasih; Herman Wahyudi
Interdisciplinary Social Studies Vol. 5 No. 2 (2026): Interdisciplinary Social Studies
Publisher : International Journal Labs

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55324/iss.v5i2.1051

Abstract

Road infrastructure development on soft soils often faces geotechnical challenges in the form of large and time-consuming settlement. Discrepancies often occur between analytical settlement predictions and actual conditions in the field. This study aims to determine valid soil permeability parameters (k) through the back calculation method using Plaxis 2D numerical modeling calibrated with settlement plate monitoring data. The research employs a quantitative analytical approach combining field monitoring, observational methods, and finite element numerical simulation to establish representative soil parameters for consolidation analysis. The research methodology includes interpretation of soil investigation data (Borlog and CPTu), prediction of final settlement using the Asaoka observation method, and finite element simulations using the Mohr-Coulomb and Hardening Soil models. Based on the analysis of the Asaoka method on monitoring data during the construction phase, the predicted final settlement (Sult) is 148.93 cm with a time to achieve a degree of consolidation of 90% (t90) of 1.27 years. The results of the Plaxis 2D simulation show an exponential relationship between the permeability value and the consolidation time. Through the back calculation analysis, the most representative soil permeability value (k) for the field conditions is 1.26 × 10?? m/day. This value validates the agreement between the numerical model and the actual consolidation behavior in the field, providing practical guidance for geotechnical engineers in soft soil design and construction monitoring.
Optimizing Renewable Energy Integration in the 3T Region: The Impact of Hybridization of PLTS-PLTD in Maratua on Emissions and Costs Jemi Jemi; Andreas Prabowo; Richard Gamari Sobajian Rajagukguk
Interdisciplinary Social Studies Vol. 5 No. 2 (2026): Interdisciplinary Social Studies
Publisher : International Journal Labs

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55324/iss.v5i2.1052

Abstract

Maratua Island in East Kalimantan is exploring the adoption of hybrid Solar Photovoltaic (PV) systems to support Indonesia's goal of achieving Net Zero Emission (NZE) by 2060. The island has long depended on diesel power plants (PLTD), resulting in high carbon emissions and operational costs. This study assesses the technical and operational feasibility of integrating a 300 kWp PV system with the existing diesel generator. Simulations using HOMER Pro show that the hybrid system significantly improves efficiency. The diesel generator, which currently consumes around 500 liters of fuel daily for a peak load of 499 kW, will reduce fuel consumption by over 70%, dropping to about 150 liters per day. CO? emissions will also decrease from 1.446 tons/year to 0.425 tons/year. Additionally, the levelized cost of electricity (LCOE) decreases from IDR 5,500/kWh to IDR 3,200/kWh. These findings suggest that hybrid PV systems are a cost-effective and sustainable energy solution for remote island regions, reducing fossil fuel reliance and carbon emissions.
Short-Form Videos Da’wah: Innovative Strategies To Foster Religious Moderation Among Generation Z Asna Istya Marwantika; Rizqi Akbarani; Kazeem Oluwaseun Dauda
Interdisciplinary Social Studies Vol. 5 No. 2 (2026): Interdisciplinary Social Studies
Publisher : International Journal Labs

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55324/iss.v5i2.1053

Abstract

This study aims to explore innovative strategies for promoting religious moderation among Generation Z through short-form video da’wah content on digital platforms such as TikTok, Instagram Reels, and YouTube Shorts. Employing a qualitative descriptive approach supported by research and development (R&D) methodology, the study used digital media mining tools, including Google Trends, Brand24, and Analisa.io, to identify patterns, engagement levels, and influential contributors in the online discourse on religious moderation between 2019 and 2024. The data analysis revealed a significant increase in public interest and content creation among Gen Z users. Based on these findings, the study developed a Religious Moderation Guidebook that integrates Islamic communication ethics with digital media strategies. The guidebook was piloted among Islamic Communication and Broadcasting students who produced short-form videos reflecting national commitment, tolerance, anti-radicalism, and cultural accommodation principles. The results demonstrate that when guided by ethical frameworks and strategic communication planning, short-form video da'wah can effectively enhance youth engagement with messages of religious moderation. This research contributes theoretically and practically to Islamic communication scholarship and offers a replicable model for future digital da'wah efforts.
Analysis of the Implementation of Law Number 11 of 2020 Concerning Job Creation on Labor Protection in the Garment Convection Industry Pratika Gunareksa; Sulismadi Sulismadi
Interdisciplinary Social Studies Vol. 5 No. 2 (2026): Interdisciplinary Social Studies
Publisher : International Journal Labs

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55324/iss.v5i2.1054

Abstract

This study aims to analyze the implementation of recruitment systems, employment contracts, labor protection, and social security in a local garment enterprise, assessing their conformity with Law Number 11 of 2020 concerning Job Creation. This study contributes novelty by examining the practical implementation gaps between labor regulations and actual practices in the small-scale garment industry, an area that remains underexplored in Indonesian labor law scholarship. This research adopts a qualitative descriptive approach using in-depth interviews with the garment company’s management. The collected data are analyzed based on key labor indicators, including recruitment and employment contracts (PKWT/PKWTT), wage protection, occupational health and safety (K3), and workers’ rights such as leave, overtime, and participation in social security programs (BPJS). Findings indicate that the recruitment and contractual systems generally follow company standard operating procedures, though implementation remains limited due to fluctuating sales performance. The study concludes that labor protection in the garment sector is relatively well-managed through regulated working hours, wage compliance, and inclusion in BPJS programs. The enforcement of Law Number 11 of 2020 on Job Creation has had a positive impact on the harmonization of workers’ rights, benefits, and wage systems. Nevertheless, unstable market conditions continue to hinder full policy implementation. Strengthening government support and local product competitiveness is essential to ensure the sustainability of Indonesia’s garment industry.

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