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All Journal Jurnal Online Mahasiswa (JOM) Bidang Keguruan dan Ilmu Pendidikan Journal of Empowerment Community Leuser Journal of Environmental Studies
Fadillah, Miftahul
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Agriculture, Biological Sciences & Forestry Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Environmental Science Social Sciences Other

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AN ANALYSIS OF HIGHER ORDER THINKING SKILL (HOTS) IN ENGLISH SUMMATIVE TEST ITEMS PREPARED BY TEACHERS OF SMK TELKOM PEKANBARU Fadillah, Miftahul; Supriusman, Supriusman; Masyhur, Masyhur
Jurnal Online Mahasiswa (JOM) Bidang Keguruan dan Ilmu Pendidikan Vol 10, No 2 (2023): EDISI 2 JULI-DESEMBER 2023
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Keguruan dan Ilmu Pendidikan

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Abstract: This research aims to find out how many test items of HOTS in summative tests are prepared by teachers of SMK TELKOM Pekanbaru. The object of this study was the odd and even semester of summative test items of grade X students for the 2022/2023 school year. This research used descriptive quantitative research. The data was gathered through a documentation study, namely the document in the form of a School Examination question sheet. The data were analyzed and categorized based on the C1-C6 thinking level, and then calculated the percentage of questions with the HOTS category based on the formula according to Ali (2013: 201) using Microsoft Excel. The result of the study revealed that there were 43 questions or 45.55%, with details of 22 questions in the odd semester or 48.88% which included C4 (analyze) questions totaling 15 questions, C5 (evaluate) totaling 5 questions, and C6 (create) totaling 2 questions. In the even semester summative test there were 19 questions or 42.22% which included C4 (analyze) questions totaling 13 questions, C5 (evaluate) totaling 4 questions, and C6 (create) totaling 2 question. Each semester was in the "medium" category.Keywords: Analysis, Higher Order Thinking Skill (HOTS), Summative Test
Pendekatan Ekonomi Sirkular untuk Pengembangan Bioenergi Berkelanjutan di Komunitas Pertambangan Indonesia Fadillah, Miftahul; Pratama, Arif Johar; Viendasari, Mila; Nur, Muhammad Syukri
Journal of Empowerment Community Vol 8 No 1 (2026): Maret 2026
Publisher : Universitas Perjuangan Tasikmalaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36423/jec.v8i1.2553

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The circular economy approach offers a strategic pathway to support sustainability in the mining sector by using local biomass as a renewable energy source. This study examines the potential for implementing a community-based bioenergy system in coal mining areas of South Kalimantan through the integration of biomass availability, community readiness, and reclamation land use. The research methods include a literature review, biomass potential assessment, and a community perception survey using a Likert-scale questionnaire. Three biomass sources were identified—organic waste from worker facilities, reclamation vegetation residues, and wood waste from land clearing—providing an estimated energy potential of 65–972 MWh/year. Energy Plantation Forests (HTE) on reclamation land may further supply 76–203 MWh/ha/year. Survey results indicate strong community support (76–90%) for participation and collective management. The findings highlight that circular bioenergy systems can reduce dependence on LPG/diesel while supporting local MSMEs and employment. Village energy cooperatives are recommended as the primary implementation mode.
A Bibliometric and Quantitative Review of Renewable Energy–Powered Mine Dewatering Systems: Trends, Performance, and Gaps Fadillah, Miftahul; Yandri, Erkata
Leuser Journal of Environmental Studies Vol. 4 No. 1 (2026): April 2026
Publisher : Heca Sentra Analitika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.60084/ljes.v4i1.388

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Renewable energy integration into mine dewatering systems has gained increasing attention amid rising energy costs, decarbonization pressures, and hydrological variability in mining operations. However, existing studies remain fragmented across hydrogeological modeling, hybrid energy optimization, and environmental assessment, limiting cross-study comparability and system-level integration. This study conducts a structured bibliometric and quantitative synthesis to examine the evolution of research, collaboration patterns, thematic concentration, and methodological gaps in renewable energy–based mine dewatering systems between 2015 and 2025. A PRISMA-based dataset of 43 eligible publications was analyzed using co-authorship networks, keyword co-occurrence mapping, temporal overlay visualization, and composite bibliometric scoring. The results reveal a transition from hydrogeology-focused research toward hybrid renewable integration and energy storage–oriented systems. Publication activity increases significantly after 2020, with a peak in citation impact around that time. Energy storage, renewable integration, and groundwater management emerge as dominant research hotspots, while system-level optimization, stochastic hydrological modeling, real-time control, and long-term validation remain underdeveloped. Quantitative evidence indicates energy savings of approximately 12–25% and carbon emission reductions of 20–40%, although these remain constrained by heterogeneous baselines and deterministic modeling approaches. This study proposes a conceptual analytical framework integrating bibliometric structural analysis, temporal performance evaluation, and gap-driven synthesis to support uncertainty-aware and system-level evaluation of renewable-based mine dewatering systems. The findings guide scalable, integrated dewatering strategies across diverse mining contexts.
Co-Authors Erkata Yandri Masyhur Masyhur Muhammad Syukri Nur Pratama, Arif Johar Supriusman Supriusman, Supriusman Viendasari, Mila