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All Journal International Journal of Research in Vocational Studies (IJRVOCAS) West Science Interdisciplinary Studies West Science Interdisciplinary Studies
Lubis, Muhammad Farhan
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Aerospace Engineering Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Social Sciences Other

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Route Optimization for Motorcycle Riders Using A* Algorithm to Enhance Fuel Efficiency Chan, Andi Supriadi; Daulay, Rizky Ananda Alam Syah; Lubis, Muhammad Farhan
International Journal of Research in Vocational Studies (IJRVOCAS) Vol. 4 No. 4 (2024): IJRVOCAS - Special Issues - International Conference on Science, Technology and
Publisher : Yayasan Ghalih Pelopor Pendidikan (Ghalih Foundation)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53893/ijrvocas.v4i4.377

Abstract

This research focuses on the development of a route optimization application designed to help motorcycle users reduce fuel consumption. Leveraging the Google Maps API and the A* algorithm, the application identifies the most efficient routes by analyzing factors such as road distance, traffic conditions, and elevation. The system is tailored to benefit motorcyclists, both those using carburetors and fuel injection systems, who frequently face fuel inefficiency due to improper route selection. By integrating real-time data from Google Maps, the application provides users with optimal route recommendations that not only minimize fuel usage but also reduce travel time. The A* algorithm was selected due to its high efficiency in determining the shortest paths by considering multiple variables simultaneously. Through simulations and testing, the system demonstrates significant potential to improve navigation efficiency, particularly for long-distance commuters. This solution is expected to contribute to cost savings and more environmentally friendly transportation choices.
The Influence of Psychological Capital on Performance and Work Engagement Mediated by Job Satisfaction in Nurses at Pertamedika Ummi Rosnati Hospital, Banda Aceh City Lubis, Muhammad Farhan; Suryani, Ade Irma; Rakhmawati, Lenny
West Science Interdisciplinary Studies Vol. 3 No. 12 (2025): West Science Interdisciplinary Studies
Publisher : Westscience Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58812/wsis.v3i12.2634

Abstract

This research aims to examine the effect of psychological capital on performance and work engagement, with job satisfaction as a mediating variable, among nurses at Pertamedika Ummi Rosnati Hospital, Banda Aceh. The data were collected through a questionnaire distributed to 138 nurses, using a census sampling technique. The analysis results indicate that psychological capital significantly and positively influences both performance and work engagement. Moreover, psychological capital also has a significant and positive impact on job satisfaction. In turn, job satisfaction positively and significantly affects performance and work engagement. Furthermore, job satisfaction serves as a mediating variable in the relationship between psychological capital and both performance and work engagement.
The Influence of Psychological Capital on Performance and Work Engagement Mediated by Job Satisfaction in Nurses at Pertamedika Ummi Rosnati Hospital, Banda Aceh City Lubis, Muhammad Farhan; Suryani, Ade Irma; Rakhmawati, Lenny
West Science Interdisciplinary Studies Vol. 3 No. 12 (2025): West Science Interdisciplinary Studies
Publisher : Westscience Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58812/wsis.v3i12.2634

Abstract

This research aims to examine the effect of psychological capital on performance and work engagement, with job satisfaction as a mediating variable, among nurses at Pertamedika Ummi Rosnati Hospital, Banda Aceh. The data were collected through a questionnaire distributed to 138 nurses, using a census sampling technique. The analysis results indicate that psychological capital significantly and positively influences both performance and work engagement. Moreover, psychological capital also has a significant and positive impact on job satisfaction. In turn, job satisfaction positively and significantly affects performance and work engagement. Furthermore, job satisfaction serves as a mediating variable in the relationship between psychological capital and both performance and work engagement.
Co-Authors Ade Irma Suryani Andi Supriadi Chan, Andi Supriadi Daulay, Rizky Ananda Alam Syah Rakhmawati, Lenny