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Resy Kumala Sari
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resykumalasari@jes-tm.org
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LPPM Universitas Pahlawan Tuanku Tambusai Jalan Tuanku Tambusai 23 Bangkinang, Kampar, Riau, Indonesia Kode Pos: 28411
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Journal of Engineering Science and Technology Management
Published by Universitas Pahlawan Tuanku Tambusai
ISSN : -     EISSN : 28287886     DOI : 10.31004/jestm
Core Subject : Engineering,
Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Electrical & Electronics Engineering
Journal of Engineering Science and Technology Management is Jurnal Electronic that aims at the publication and dissemination of original research articles on the latest developments in all fields of engineering science and technology, including; Industrial Engineering, Mechanical Engineering, Material Engineering, Electrical and Electronics Engineering, Environmental Engineering, Civil Engineering, Management, Science, and Technology. Journal of Engineering Science and Technology Management is a International peer-reviewed journal dedicated to interchange for the results of high-quality research in all aspects of education and teaching. The journal publishes state-of-art papers in fundamental theory, experiments, and simulation, as well as applications, with a systematic proposed method, good review of previous works, expanded discussion, and concise conclusion. As our commitment to advancing education and teaching, the Journal of Engineering Science and Technology Management follows the open access policy that allows the published articles to be freely available online without any subscription.
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 112 Documents
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Influence of Hydrogen Peroxide on the Bleaching Process of Pulp Derived from Oil Palm Fronds and Empty Fruit Bunches Hariani, Razita; Asma Deli, Nur; Dhora, Anna
Journal of Engineering Science and Technology Management (JES-TM) Vol. 5 No. 1 (2025): Maret 2025
Publisher : Journal of Engineering Science and Technology Management

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jestm.v5i1.249

Abstract

Oil palm fronds and empty fruit bunches (EFB) are the main by-products of oil palm plantations. Typically, these residues are used for organic fertilizer, mat production, or as a growing medium for plants and fungi. However, oil palm fronds and EFB have high cellulose content, making them promising raw materials for pulp and paper production. This study aimed to investigate the pulp and papermaking process using oil palm fronds and EFB as raw materials. A soda pulping process was applied, followed by bleaching using various concentrations of hydrogen peroxide, namely 8%, 10%, 12%, 14%, and 16%. The results showed that optimal pulp and paper quality was achieved using 16% hydrogen peroxide, which produced pulp with a brighter and whiter appearance. The resulting paper showed a thickness of 0.62 mm, a grammage of 56.58 g/m², and a density of 35.07 kg/m³.  
Application of TOPSIS and K-Means Clustering Methods in Recommendations and Analysis of Study Program Interests for New Students Rusnedy, Hidayati; Kasini; Tanjung, Lailatul Syifa; Yusmita, Yesi
Journal of Engineering Science and Technology Management (JES-TM) Vol. 5 No. 1 (2025): Maret 2025
Publisher : Journal of Engineering Science and Technology Management

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jestm.v5i1.251

Abstract

The selection of a study program is one of the crucial initial decisions for prospective students when entering college. This decision is ideally based on a good understanding of their interests, talents, and abilities so that prospective students can study optimally and in accordance with their potential. Technique for Order Preference by Similarity to Ideal Solution (TOPSIS) is a multi-criteria decision-making method where the best alternative has the longest distance from the negative ideal solution and has the shortest distance from the positive ideal solution. The selection of these criteria and alternatives aims to produce relevant and accurate recommendations in helping prospective students determine the choice of study program that best suits their potential and preferences. The results of these recommendations are then further analyzed to group the results of the recommendations based on the category of interest. The K-Means Clustering method using the K-Means method with the results of C1 with 9 Respondentsts of less interested study programs, C2 with 25 Respondentsts of moderately interested study programs, and C3 with 21 Respondentsts of highly interested study programs
Analysis of Traffic Accident Characteristics on the Pekanbaru-Bangkinang Highway KM 20-60, Kampar Regency Adeswastoto, Hanantatur; Febryanto; Febrianty, Nanda Lelis; Saputra, Muhammad Azlan; Yeti, Salsa Bilah
Journal of Engineering Science and Technology Management (JES-TM) Vol. 5 No. 1 (2025): Maret 2025
Publisher : Journal of Engineering Science and Technology Management

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jestm.v5i1.247

Abstract

Based on the Kampar Police traffic accident report data, on the Pekanbaru - Bangkinang KM 20 - 60 highway section, there have been many cases of traffic accidents that have caused material losses, minor injuries, serious injuries, and death. This study aims to determine and identify the causal factors and characteristics of traffic accidents. The method used in this research is descriptive qualitative method based on primary data from direct observation and secondary data obtained from relevant agencies, namely the Kampar Traffic Police related to traffic accidents. The results of the analysis show that on the Pekanbaru - Bangkinang KM 20 - 60 highway section can be identified The results of the analysis according to the 2018 - 2022 data show that based on the time of occurrence the most frequent accident is at 14.00 - 16.00 WIB with 50 accidents. Based on the vehicle involved, it is known that the most frequent accidents are caused by motorbikes - motorbikes as many as 76 incidents. the number of accident victims is 320 people where 65 people died, 67 people were seriously injured, 188 people were slightly injured. Most accident involvement is teenagers aged 15-20 years. This shows that at that age there is still a lack of awareness of driving knowledge. 
Image Analysis For Breast Cancer Classification Using Learning Vector Quantization (LVQ) Method Rahmadani, Qadri; Mulyadi, Romi
Journal of Engineering Science and Technology Management (JES-TM) Vol. 5 No. 1 (2025): Maret 2025
Publisher : Journal of Engineering Science and Technology Management

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jestm.v5i1.267

Abstract

Breast cancer is a common disease in women, making early detection crucial to improve treatment effectiveness. This study aims to create a breast cancer classification system using MATLAB and the Learning Vector Quantization (LVQ) algorithm through mammography image analysis. The data used was taken from the public platform Kaggle. The process includes preprocessing (conversion to grayscale and normalization), texture feature extraction with Gray Level Co-occurrence Matrix (GLCM), LVQ model training, and performance evaluation using accuracy, precision, recall, and F1-score. Test results show that the LVQ model can achieve an accuracy of 80.45%, precision of 78.92%, recall of 100%, and an F1-score of 88.30%. The system is equipped with a MATLAB-based user interface (GUI) that allows for direct image classification. Although the results are positive in detecting cancer images, errors in classifying normal images are still present. Future improvements will focus on data balancing and improving model performance. This system is expected to be a tool for rapid and accurate early screening of breast cancer in clinical settings.
Effect of Boiling, Steaming, and Autoclaving Methods on the Physical Characteristics of Moringa (Moringa oleifera) Seed Flour Salman, Annisa Nazifa; Gunawan, Chandra; Ristia, Jeany; Panjaitan, Bintang Sipartogi
Journal of Engineering Science and Technology Management (JES-TM) Vol. 5 No. 1 (2025): Maret 2025
Publisher : Journal of Engineering Science and Technology Management

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jestm.v5i1.268

Abstract

This study evaluated the effect of moist heat processing (boiling, steaming, autoclaving) on the physical properties of Moringa oleifera seed flour to determine the optimal pretreatment for product development. Exotesta of moringa seeds were removed, subjected to the treatments, oven-dried, grounded, and sieved (60 mesh). Moisture content, color (CIELab), bulk density, and angle of repose were analyzed. Results showed that all treatments increased moisture content compared to raw seeds (4,36–4,46%), with no significant difference among treatments. Autoclaving produced flour with the highest bulk density (0,4258 g/cm³) and lowest angle of repose (33,37°), indicating better flowability. Color analysis revealed darker flour in autoclaved and boiled samples due to Maillard reactions. Overall, autoclaving is the most effective pretreatment for producing denser, free-flowing Moringa seed flour suitable for functional food applications.
Global Research Trends in Animal Feed Nutrition and Industry Development: a Bibliometric Analysis Nurrofingah, Ulfa; Widjaya, Fensa Eka
Journal of Engineering Science and Technology Management (JES-TM) Vol. 5 No. 1 (2025): Maret 2025
Publisher : Journal of Engineering Science and Technology Management

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jestm.v5i1.288

Abstract

The feed industry is a cornerstone of global livestock production and food security, with feed costs representing more than half of total production expenses. In response to rising demand for animal protein and growing sustainability concerns, research in animal feed nutrition has advanced rapidly. This study maps global research trends in feed nutrition and industry development through a bibliometric analysis of 747 publications retrieved from Scopus (2000–2025). Data were analyzed using the Bibliometrix R-package via Biblioshiny. Results show a marked increase in publications, particularly in the past decade. Core journals identified include Poultry Science, Animals, and Aquaculture, serving as key platforms for knowledge dissemination. Productive authors are largely from Asia, with China leading, while major institutions include China Agricultural University, Universiti Putra Malaysia, IPB University, and Universitas Brawijaya. Highly cited works address poultry nutrition, feed additives, and sustainable production. Collaboration networks reveal strong partnerships between China, the United States, and Europe. Trending topics indicate a shift from traditional themes (e.g., diet supplementation, phosphorus, physiology) to emerging areas such as sustainability, aquaculture, immunity, and animal models. Overall, findings highlight a paradigm shift in feed research toward integrated approaches that balance productivity, health, resource efficiency, and environmental impact, offering strategic insights for academia, industry, and policymakers.
Evaluation of the Nigerian Beverage Industry’s Total Quality Management Abiola, Oluranti; Obi, Ikechukwu; Ogedengbe, Temitayo; Oke, Adekola
Journal of Engineering Science and Technology Management (JES-TM) Vol. 5 No. 2 (2025): September 2025
Publisher : Journal of Engineering Science and Technology Management

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jestm.v5i2.214

Abstract

This study examines the implementation and effectiveness of Total Quality Management (TQM) practices within Nigeria’s beverage industry, focusing on eight critical factors: management leadership, quality department, training, product/service design, supplier quality management, process management, quality data and reporting, and employee relations. Data were collected from 92 respondents across five leading beverage companies using a validated questionnaire based on Black and Porter’s (2007) TQM framework. Descriptive analysis using IBM SPSS Statistics Grad Pack revealed that the overall level of TQM practice in the industry is moderate. Strengths were identified in the visibility and coordination of the quality department, process automation, and top management’s commitment to training. However, significant gaps exist in supplier quality management, availability and utilization of quality data, and employee involvement in quality decisions. The findings indicate that while foundational TQM elements are in place, strategic areas critical for achieving comprehensive quality excellence remain underdeveloped. The study underscores the importance of closing performance gaps through better supplier integration, data-driven decision-making, and enhanced employee feedback mechanisms. This research contributes to the understanding of TQM implementation challenges in emerging markets and provides practical insights for improving quality performance in Nigeria’s beverage sector.
The Influence of Lost and Found Unit Employee Performance in Handling Baggage at PT Gapura Angkasa on Passenger Satisfaction at Yogyakarta International Airport Setyawati, Nanda Putri; Hodi, Hodi
Journal of Engineering Science and Technology Management (JES-TM) Vol. 5 No. 2 (2025): September 2025
Publisher : Journal of Engineering Science and Technology Management

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jestm.v5i2.250

Abstract

PT Gapura Angkasa Yogyakarta International Airport provides ground handling services, including baggage services. The Lost and Found Unit plays a crucial role in handling passenger complaints related to lost or damaged baggage. However, problems are still frequently encountered in handling these complaints, which impact passenger satisfaction. This is thought to be related to unprofessional employee performance, particularly in terms of friendliness, responsiveness, and communication skills. The lack of training and briefings also impacts the quality of service provided. This study aims to determine the effect of Lost and Found Unit employee performance on passenger satisfaction. The approach used was a quantitative survey method with 96 respondents. The analysis technique used was simple linear regression to determine the extent of employee performance's influence on passenger satisfaction. The results showed a significant effect between employee performance and passenger satisfaction, with a t-value of 9.739 and a significance level of 0.000. The beta coefficient of 0.709 indicates a strong and positive relationship, while the R² value of 0.502 indicates that 50.2% of the variation in passenger satisfaction is influenced by employee performance. These findings emphasize the importance of improving employee professionalism, skills, and friendliness in efforts to improve passenger satisfaction with baggage handling services at the airport.
Relationship between Occupational Safety and Health (OSH) and Work Accidents among Fire and Rescue Officers in Pekanbaru City Suri, Anggun; Susanti, Nurvi; Makomulamin, Makomulamin
Journal of Engineering Science and Technology Management (JES-TM) Vol. 5 No. 2 (2025): September 2025
Publisher : Journal of Engineering Science and Technology Management

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jestm.v5i2.256

Abstract

Occupational Safety and Health (OSH) is essential for creating asafe,comfortable, andhealthy work environment. Its main goal is to prevent workplace accidents and occupational diseases that can endanger lives and reduce productivity. This study examines the relationship between OSH and workplace accidents among firefighters in Pekanbaru City from 2022 to 2024. Using an observational method with a quantitative analytic approach and a cross-sectional design, 163 respondents participated. Data analysis included univariate and bivariate techniques. The results show significant relationships between workplace accidents and OSH knowledge (p=0.014), OSH training (p=0.013), availability of Personal Protective Equipment (PPE) (p=0.002), and implementation of Standard Operating Procedures (SOPs) (p=0.011). However, work fatigue showed no significant effect (p=0.531). Based on these findings, it is recommended that institutions enhance OSH training, education, PPE provision, and consistent SOP enforcement to reduce workplace accidents and improve overall safety and health among firefighters.
Optimization of Wood Waste Utilization for Sustainable Material Processing in the Furniture Industry Afifah, Anshah Silmi; Nugroho, Alfani Risman; Nurmadina, Nurmadina; Fitriyanto, Taufik Ramadhan; Juwitasari, Dhian
Journal of Engineering Science and Technology Management (JES-TM) Vol. 5 No. 2 (2025): September 2025
Publisher : Journal of Engineering Science and Technology Management

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jestm.v5i2.266

Abstract

This study aims to identify and quantify wood waste produced during the machining of solid wood components using kiln dried Durio zibethinus boards. A descriptive quantitative approach was employed to measure the volume and weight of waste generated at each production stage, including ripping, crosscutting, planing, and thicknessing. Sampling was conducted using a precision digital scale to collect and compare the actual and theoretical waste. The results indicate that only 43% of the raw material volume was utilized in finished components, while 57% was lost as waste, primarily in the form of sawdust, shavings, and offcuts. The thicknesser contributed the largest proportion of waste (58%), followed by the ripsaw (21%), single planer (20%), and jumpsaw (1%). These findings highlight the need for improved raw material selection, more efficient cutting list design, enhanced nesting strategies, and better machine calibration. Implementing these practices can reduce wood waste, improve material efficiency, and minimize occupational exposure to wood dust in furniture manufacturing

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