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All Journal International Journal of Business, Law, and Education Jurnal Hukum dan HAM Wara Sains Jurnal Multidisiplin West Science The Eastasouth Management and Business Jurnal Pengabdian West Science Jurnal Pendidikan West Science West Science Law and Human Rights West Science Business and Management Jurnal Ekonomi dan Kewirausahaan West Science West Science Interdisciplinary Studies West Science Interdisciplinary Studies West Science Social and Humanities Studies West Science Islamic Studies West Science Agro
Pahrijal, Rival
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Trends and Impact of Sustainable Energy Technologies in Mechanical Engineering: A Bibliometric Study Gusti Rusmayadi; Supriandi, Supriandi; Pahrijal, Rival
West Science Interdisciplinary Studies Vol. 1 No. 09 (2023): West Science Interdisciplinary Studies
Publisher : Westscience Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58812/wsis.v1i09.240

Abstract

The urgent environmental issues of the twenty-first century, particularly climate change, have thrust mechanical engineering into a central position in the creation of novel technologies for a future centered on sustainable energy. From energy-efficient mechanical designs to renewable energy systems, sustainable energy technologies provide a wide range of solutions. This bibliometric analysis uses sophisticated tools, such as VOSviewer, to examine a large dataset of academic articles in mechanical engineering that deal with sustainable energy technology. Dominant research themes, significant writers, collaborative networks, and prominent journals are identified by the study. Important discoveries include the notable increase in research output during the previous 20 years, the rise to prominence of notable writers and research teams, the connection between research themes, and the critical importance of particular papers and journals. These revelations help to shape a more sustainable and ecologically conscious energy future by offering a road map for navigating the complex world of sustainable energy in mechanical engineering.
Enhancing Sustainability in Urban Transportation with Innovative Mechanical Engineering Solutions for Electric Buses in Jakarta Sarie, Fatma; Tahir, Abdul; Pahrijal, Rival
West Science Interdisciplinary Studies Vol. 1 No. 10 (2023): West Science Interdisciplinary Studies
Publisher : Westscience Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58812/wsis.v1i10.299

Abstract

This study looks into how novel mechanical engineering solutions for electric bus technology in Jakarta could change the industry, with an emphasis on improving sustainability, efficiency, and performance. Quantitative data was gathered through technical inspections, stakeholder questionnaires, and real-time monitoring. According to the results, buses with regenerative braking systems, lightweight construction, and cutting-edge drivetrain technologies consume 15% less energy. A comparative investigation revealed a 12% boost in overall speed and responsiveness and a 20% improvement in braking efficiency. The environmental benefits were highlighted by the environmental impact evaluations, which showed a notable 25% reduction in particulate matter and emissions. Positive responses to surveys conducted among passengers and bus operators demonstrated the practical viability and user pleasure of these advances. Although they recognized the potential, city officials stressed the need for a thorough and gradual implementation strategy. According to the research, creative mechanical engineering solutions might completely transform Jakarta's urban transportation system and serve as a template for effective and sustainable mobility.
Analysis of the Use of Environmentally Friendly Raw Materials and Environmental Awareness on Purchasing Decisions and Consumer Loyalty in the Central Java Manufacturing Industry Utami, Eva Yuniarti; Supriandi, Supriandi; Pahrijal, Rival
West Science Interdisciplinary Studies Vol. 2 No. 03 (2024): West Science Interdisciplinary Studies
Publisher : Westscience Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58812/wsis.v2i03.733

Abstract

This research investigates the positive relationships between environmentally friendly raw materials, environmental awareness, purchasing decisions, and consumer loyalty within the Central Java manufacturing industry. Utilizing a quantitative approach, Structural Equation Modeling (SEM) with Partial Least Squares (PLS) analysis is employed to analyze data collected from 125 respondents. The findings reveal significant positive associations between the use of environmentally friendly raw materials and purchasing decisions, environmental awareness and purchasing decisions, environmental awareness, and consumer loyalty, as well as environmentally friendly raw materials and consumer loyalty. These results emphasize the importance of sustainability initiatives and environmental awareness in driving consumer behavior and fostering loyalty in the manufacturing industry.
Analysis of Environmental Management Policies, Livestock Husbandry Practices, and Production Technology on Cattle Farm Productivity in West Java Sahala, Josua; Pahrijal, Rival; Arini, Rani Eka
West Science Interdisciplinary Studies Vol. 2 No. 06 (2024): West Science Interdisciplinary Studies
Publisher : Westscience Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58812/wsis.v2i06.1025

Abstract

This research explores the effects of environmental management policies, livestock husbandry practices, and the adoption of production technologies on the productivity of cattle farms in West Java, Indonesia. Using a combination of quantitative and qualitative methodologies, data were collected from 100 cattle farms across three productivity levels. Statistical analysis, including multiple regression, was employed to assess the influence of these factors on farm productivity. The results indicate that the adoption of production technologies had the most significant positive impact on productivity, followed by adherence to environmental management policies and the implementation of advanced husbandry practices. Qualitative findings support the quantitative results, highlighting the role of governmental support and training in facilitating the adoption of effective farming practices. This study underscores the necessity of integrated approaches that enhance both sustainability and efficiency, recommending policies that support technological innovation and environmental compliance. The findings serve as a valuable reference for policymakers and farm managers aiming to optimize productivity and sustainability in livestock farming.
The Effect of Nutrition and Diet on the Causes of Kidney Failure in Minors in Indonesia Sabaruddin, Erny Elviany; Pahrijal, Rival; Muhtadi, Muhamad Ammar
West Science Interdisciplinary Studies Vol. 2 No. 08 (2024): West Science Interdisciplinary Studies
Publisher : Westscience Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58812/wsis.v2i08.1239

Abstract

Renal failure among minors in Indonesia has become a growing public health concern, with increasing evidence suggesting that dietary habits play a significant role in its development. This study investigates the influence of nutrition and diet on the causes of renal failure in minors, utilizing a quantitative analysis of 80 samples. Data were collected using a Likert scale (1 to 5) and analyzed with SPSS version 26. The results indicate significant positive correlations between the consumption of processed foods, sugary drinks, and the incidence of renal failure. Conversely, higher intake of fruits and vegetables was associated with a reduced risk of renal failure. Multiple regression analysis further confirmed the predictive power of these dietary factors, with processed foods and sugary drinks emerging as significant contributors to renal failure. The findings emphasize the need for targeted nutritional interventions and public health strategies to promote healthier eating habits among minors in Indonesia, aiming to reduce the incidence of renal failure and improve long-term health outcomes.
Bibliometric Analysis of the Effectiveness of Waste Management and Recycling Programs in the Textile Industry Judijanto, Loso; Yamtana, Yamtana; Pahrijal, Rival
West Science Interdisciplinary Studies Vol. 2 No. 09 (2024): West Science Interdisciplinary Studies
Publisher : Westscience Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58812/wsis.v2i09.1294

Abstract

This bibliometric study provides a comprehensive analysis of the evolution and current trends in waste management and recycling within the textile industry, spanning from 1970 to 2024. Utilizing VOSviewer for keyword co-occurrence analysis, the research highlights a significant shift from basic waste management to advanced, sustainable practices integrated into textile production. The study reveals an increased focus on technologies such as wastewater treatment and recycling innovations, reflecting the industry's response to global sustainability demands. The findings illustrate the interdisciplinary nature of textile waste management research and underscore the importance of technological advancements in promoting environmental sustainability. However, the study also identifies ongoing challenges, including regional disparities in waste management effectiveness and the need for global standards. The study emphasizes the necessity for future research to address these challenges, proposing a continued focus on innovative, adaptable recycling technologies and comprehensive waste management strategies that can be implemented globally.
Influence of Sustainable Agriculture Practices, Water Management, and Organic Seedling Availability on Yields in Bandung Regency Organic Farms Silamat, Eddy; Hernawati, Hernawati; Pahrijal, Rival
West Science Interdisciplinary Studies Vol. 2 No. 10 (2024): West Science Interdisciplinary Studies
Publisher : Westscience Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58812/wsis.v2i10.1378

Abstract

This study investigates the impact of organic seedling availability, sustainable agriculture practices, and water management on the yields of organic farms in Bandung Regency. Using a quantitative approach, data were collected from 230 organic farmers and analyzed using Structural Equation Modeling (SEM) with Partial Least Squares (PLS). The results reveal that all three factors significantly and positively affect farm yields. Water management had the strongest influence, followed by organic seedling availability and sustainable agriculture practices. These findings highlight the critical role of resource management in enhancing the productivity of organic farms. The study suggests that improving access to organic seedlings, promoting sustainable farming techniques, and investing in efficient water management systems can lead to better farm performance and sustainability. The research offers practical insights for policymakers and agricultural stakeholders seeking to optimize organic farming in the region.
Trends in Cultural Tourism Research: A Bibliometric Analysis of Creative Economy Contributions Judijanto, Loso; Suharto, Bambang; Pahrijal, Rival
West Science Interdisciplinary Studies Vol. 3 No. 01 (2025): West Science Interdisciplinary Studies
Publisher : Westscience Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58812/wsis.v3i01.1639

Abstract

This study explores trends and contributions in cultural tourism research within the context of the creative economy through a bibliometric analysis of publications indexed in Scopus. Using VOSviewer, the study identifies key themes, influential authors, and collaborative networks, revealing the central role of cultural tourism as a nexus for integrating cultural preservation, creativity, and economic growth. The analysis highlights sustainability, innovation, and digital transformation as emerging focal points in the field. Prominent researchers such as Greg Richards and theories like the experience economy are pivotal to the discourse, while international collaborations involving countries like Indonesia, the United States, and China demonstrate the global significance of cultural tourism research. Despite its growth, gaps in cross-regional representation, particularly in Africa and South America, highlight areas for future exploration. This study provides actionable insights for advancing cultural tourism strategies to align with sustainability goals and foster inclusive economic development.
Efektivitas Kebijakan Kenaikan Gaji Guru ASN dan Non-ASN dalam Meningkatkan Kesejahteraan Tenaga Pendidik di Indonesia Judijanto, Loso; Endro Baruno, Yosep Heristyo; Pahrijal, Rival
Jurnal Pendidikan West Science Vol 3 No 01 (2025): Jurnal Pendidikan West Science
Publisher : Westscience Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58812/jpdws.v3i01.1970

Abstract

Penelitian ini mengkaji efektivitas kebijakan kenaikan gaji guru ASN (Aparatur Sipil Negara) dan guru non-ASN (Non-Aparatur Sipil Negara) dalam meningkatkan kesejahteraan tenaga pendidik di Indonesia dari sudut pandang mereka. Dengan menggunakan pendekatan kualitatif, data dikumpulkan melalui wawancara mendalam dengan lima informan dan dianalisis menggunakan perangkat lunak NVIVO. Temuan menunjukkan bahwa meskipun kebijakan tersebut berdampak positif terhadap stabilitas keuangan dan kepuasan kerja guru ASN, guru non-ASN menghadapi tantangan seperti gaji yang tidak adil, pencairan yang tidak teratur, dan tunjangan yang terbatas. Persepsi ketidaksetaraan antara guru ASN dan non-ASN muncul sebagai masalah yang signifikan, yang memengaruhi moral dan motivasi. Selain itu, kedua kelompok menyoroti tantangan implementasi, termasuk ketidakkonsistenan dan penundaan di tingkat daerah. Studi ini menyimpulkan bahwa meskipun kebijakan tersebut telah meningkatkan kesejahteraan guru sampai batas tertentu, mengatasi kesenjangan dan meningkatkan proses implementasi sangat penting untuk mencapai hasil yang adil dan berkelanjutan. Temuan ini memberikan wawasan yang berharga bagi para pembuat kebijakan yang bertujuan untuk menciptakan kebijakan kesejahteraan yang inklusif dan efektif bagi para pendidik.
Analisis Persepsi Masyarakat terhadap Rencana Penghapusan Sistem Zonasi dalam PPDB Zulaika, Siti; Muhtadi, Muhamad Ammar; Pahrijal, Rival
Jurnal Pendidikan West Science Vol 3 No 01 (2025): Jurnal Pendidikan West Science
Publisher : Westscience Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58812/jpdws.v3i01.1971

Abstract

Penelitian ini mengeksplorasi persepsi masyarakat terhadap rencana penghapusan sistem zonasi dalam Penerimaan Peserta Didik Baru (PPDB), proses penerimaan siswa baru di Indonesia. Dengan menggunakan pendekatan kualitatif, data dikumpulkan dari 10 informan melalui wawancara semi-terstruktur, dan dianalisis menggunakan perangkat lunak NVIVO. Hasil penelitian menunjukkan adanya persepsi yang beragam mengenai sistem zonasi. Sementara beberapa informan memuji pendekatannya yang adil terhadap akses sekolah, yang lain mengkritik keterbatasannya, terutama terkait pilihan pendidikan. Sikap masyarakat terhadap penghapusan sistem zonasi juga terbagi; para pendukung berpendapat bahwa pilihan sekolah harus ditambah, sementara para penentang khawatir akan memperburuk ketidaksetaraan. Para peserta menyarankan sistem penerimaan siswa baru dan peningkatan kualitas pendidikan di semua sekolah sebagai alternatif. Studi ini menyoroti perlunya pendekatan yang seimbang dalam mereformasi proses PPDB untuk memastikan akses yang adil terhadap pendidikan bagi semua siswa.
Co-Authors Abdul Tahir Andarmoyo, Sulistyo Andri Ardhiyansyah Arini, Rani Eka Ariyani, Herda Bambang Suharto Budi Harto Bunyamin, Ilham Akbar Dana Budiman Dewi Endah Fajariana, Dewi Endah DinaMarthaFitri1 ErnyElviany2 Eddy Silamat, Eddy Elshifa, Aria Emdat Suprayitno Endro Baruno, Yosep Heristyo Febryani, Evy Frans Sudirjo Gatot Wijayanto Gumelar, Taofik M Gusti Rusmayadi Hasibuan, Faisal Umardani Hendriana, Tengku Ine Hernawati Hernawati Hildawati Hildawati, Hildawati Idrus, Nabain Imas Komariyah Irwan Hermawan Judijanto, Loso Juniarso, Andy Kurniawan Kurniawan Kurniawan, Ramdhan Lesmana, Tera Mu'min, Halek Muhammad Ade Kurnia Harahap Muhtadi, Muhamad Ammar Novitasari, Salwa Aulia Nurhasanah, Dila Padila Nurnaningsih, Rita Priyana, Yana Putra, Wira Pramana Rahmawati, Yuli Diani Ratnawati Yuni Suryandari Rissa Megavitry Sarie, Fatma Siti Annisa Wahdiniawati, Siti Annisa Soesanto , Dasa Rahardjo Sono, M Gifari Sukini, Sukini Supriandi Supriandi, Supriandi Tahir, Abdul Tahir, Usman Triyantoro, Andri Usup, Usup Utami, Eva Yuniarti Wijayanti, Indah Oktari Wilanda, Alifah Wilistiningsih, Sri Yamtana Yamtana, Yamtana Yusuf Iskandar ZULAIKA, SITI Zulfikri, Agung