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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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Paper Mill Sludge as a Substitute Material in Paving Blocks for a Sustainable Waste Management Approach Gunawan, Chandra; Fung, Liem Khe; Nul Hakim, Lukman; Wahyudi, Eko; Pramana, Angga; Zalfiatri, Yelmira
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.v5i2.269

Abstract

This study evaluates the use of Paper Mill Sludge (PMS) waste as a partial replacement for fine aggregate in paving block production, focusing on compressive strength and economic feasibility. PMS was incorporated at 0%, 5%, 10%, 15%, and 20% of the total fine aggregate weight. Compressive strength tests followed the Indonesian National Standard (SNI 03-0691-1996), accompanied by production cost analysis. The results showed that 5% PMS achieved the highest compressive strength of 264.23 kg/cm², about 7.7% higher than the control 258.71 kg/cm², meeting the SNI quality class B (K200) standard. Meanwhile, 10% PMS reduced production costs by 6–8% while still satisfying the minimum requirement for K200 paving blocks (category B). This demonstrates a clear trade-off between mechanical performance and cost efficiency, where 5% PMS ensures maximum strength, while 10% PMS provides adequate strength with economic benefits. At lower levels, PMS fibers improved cement–aggregate bonding and reduced voids, whereas higher dosages (>10%) disrupted hydration and lowered strength. Practically, PMS utilization offers the paving block industry a sustainable and cost-effective alternative that reduces reliance on natural aggregates, supports waste valorization, and aligns with SNI standards for applications such as parking lots.
Burner Design Using Used Oil Fuel Based on Water Vapor Pressure Afrinaldi, Afrinaldi; Azriadi, Emon; Rusnedy, Hidayati
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.v5i2.271

Abstract

This research aims to design and build an environmentally friendly burner that integrates used oil as a fuel based on water vapor pressure and to test the waste combustion efficiency using the designed device. The design stage of the device uses the assistance of AutoCAD. This is followed by direct experimental testing to collect data on the performance and efficiency of waste combustion in the burner. Based on the results of the two burners that have been tested above, it can be concluded that the amount of shrinkage of 8 kg of waste burned in a used oil burner with water vapor pressure is more shrinkage than the used oil burner without water vapor with a difference of 1.1 kg. This can be proven in the best experimental results in the first experiment, namely to burn 8 kg of waste in 25 minutes experiencing a shrinkage of 7.1 kg, so that the efficiency of waste combustion reaches 88.75% in a used oil burner with water vapor pressure. While the used oil burner without water vapor obtained the best results for burning 8 kg of waste in 25 minutes experiencing a shrinkage of 6 kg, so that the efficiency is 75% lower than combustion using a used oil fuel burner using water vapor pressure.
Technology-Enhanced Vs. Traditional Approaches To Pediatric Nutrition Education: A Comparative Analysis Nurwati, Yuni
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.v5i2.272

Abstract

The digital transformation in education has introduced innovative approaches to paediatric nutrition education, offering alternatives to traditional methods. This comparative analysis examined the effectiveness of technology-enhanced versus traditional approaches in improving nutritional knowledge and behaviour among Indonesian children and adolescents. The aimed of this review was to systematically compare the effectiveness of technology-enhanced and traditional approaches to paediatric nutrition education based on primary research studies conducted in Indonesia. This review analyzed ten primary research studies conducted in Indonesia between 2015-2025, examining various educational intervention including digital media (videos, mobile applications, social media), interactive games, and traditional methods (leaflets, face-to-face counselling) across different paediatric populations. Technology-enhanced interventions demonstrated superior effectiveness compared to traditional methods. Digital interventions showed knowledge improvement rates ranging from 19.5% to 73.3%, while traditional methods achieved 8.2% to 12.6% improvement. Video-based education proved most effective (mean improvement: 27.39 points), followed by mobile applications (68% to 87.3% correct response) and social media platforms. In conclusion, technology-enhanced approaches to paediatric nutrition education significantly outperformed traditional methods in improving nutritional knowledge and attitudes among Indonesian children and adolescents, with video-based interventions showing the highest efficacy.
Analysis of Bread Production Quality at SMEs Industry using Statistical Process Control (SPC) Tessa Zulenia Fitri; Rama Dani Eka Putra; Foci, Nia Arfina; Yasin, Muhamad; Munanda, Muhammad Arif
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.v5i2.281

Abstract

XYZ Industry is a micro-enterprise engaged in bread production. However, defects such as burnt bread, irregular shapes, and inconsistent weights are still frequently found during production, which affects customer satisfaction and production efficiency. This study aims to analyze and optimize bread production quality using the Statistical Process Control (SPC) approach. The methodology includes data collection over 20 production days, analysis using Pareto diagrams, p control charts,  and R charts, and cause and effect diagrams. The findings indicate an average defect rate of 4.79%, with burnt bread being the most prevalent defect (30%). The p control chart identified several days with assignable variation, while the  and R charts revealed that the bread weight process was statistically in control. The main causes of defects were related to human factors, machine limitations, and the absence of standardized procedures. Recommendations include establishing standard operating procedures (SOPs), conducting operator training, and procuring supporting tools. The consistent application of SPC is expected to enhance both the quality and efficiency of production
The Influence of Digital Marketing Strategy and Brand Image on Consumer Purchase Intention at Warehouse Coffee Container in Panam, Pekanbaru Akbar, Rahmad; Yetti, Dzulhijjah; Nurkholis, Nurkholis; Kaido, Boris; Febrianton, Adi
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.v5i2.282

Abstract

This study investigates the influence of digital marketing strategy and brand image on consumer purchase intention at Warehouse Coffee Container in Panam, Pekanbaru, where competition among coffee shops continues to intensify. Digital marketing has become a crucial channel to reach consumers, while brand image strongly shapes consumer perceptions and purchase behavior. A quantitative explanatory design was applied, with data collected from 120 consumers selected through purposive sampling. Questionnaires were distributed to measure perceptions of digital marketing strategy, brand image, and purchase intention. Data analysis was conducted using SPSS, employing validity and reliability tests, classical assumption tests, and multiple linear regression to test the proposed hypotheses. The results demonstrate three major findings: digital marketing strategy has a positive and significant effect on consumer purchase intention, brand image also positively and significantly influences purchase intention, and digital marketing strategy significantly enhances brand image. Furthermore, the joint influence of digital marketing strategy and brand image was found to be significant in determining purchase intention. This study provides both theoretical and practical contributions. Theoretically, it extends evidence on the role of marketing strategies in shaping consumer behavior within the food and beverage industry. Practically, it emphasizes that effective digital marketing combined with a consistent brand image can strengthen competitiveness, attract more consumers, and increase purchase intention in the highly competitive coffee shop market
The Role of Brand Awareness in Mediating the Influence of Digital Marketing and Digital Content Quality on Increasing Sales of Culinary MSMEs (Case Study in Panam, Pekanbaru) Kurnia, Dedi; Akbar, Rahmad; Yetti, Dzulhijjah; Sispurwanto, Yedi; Nofiar. Am, Andri
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.v5i2.286

Abstract

This study aims to analyze and understand the role of brand awareness as a mediator in the relationship between digital marketing strategies and digital content quality on the sales growth of culinary MSMEs in Panam, Pekanbaru. The research employs a quantitative approach using Path Analysis. Data were collected randomly from culinary MSMEs in Panam, Pekanbaru, over the period from 2020 to 2024. Data analysis techniques include descriptive analysis, normality test, multicollinearity test, autocorrelation test, and heteroskedasticity test. The findings of the study are as follows: 1) Digital marketing strategies have a positive and significant impact on brand awareness of culinary MSMEs. 2) Digital content quality has a positive and significant impact on brand awareness of culinary MSMEs. 3) Digital marketing strategies have a positive and significant impact on the sales growth of culinary MSMEs. 4) Digital content quality has a positive and significant impact on the sales growth of culinary MSMEs. 5) Brand awareness has a positive and significant impact on the sales growth of culinary MSMEs. 6) Digital marketing strategies significantly enhance sales growth through the mediation of brand awareness in culinary MSMEs. 7) Digital content quality significantly enhances sales growth through the mediation of brand awareness in culinary MSMEs.
The Effect of Influencer Marketing and Price on Generation Z’s Purchase Intention toward Trendy Food in Bangkinang City Sispurwanto, Yedi; Yetti, Dzulhijjah; Kurnia, Dedi; Rukhshah, Muhammad; Pribadi, Antoni
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.v5i2.287

Abstract

This study aims to analyze the effect of influencer marketing and price on the purchase intention of trendy food among Generation Z in Bangkinang City. The rapid growth of social media has significantly influenced consumer behavior, particularly among Generation Z, who are known for their high level of digital engagement and openness to new trends. This research employs a quantitative approach using a survey method with a structured questionnaire distributed to respondents aged 17–26 years. A total of 385 valid responses were obtained through purposive sampling, assuming an infinite population. The data were analyzed using multiple linear regression to determine the significance and magnitude of the relationships between variables. The results indicate that influencer marketing has a positive and significant effect on purchase intention, suggesting that endorsements and promotions by social media personalities can effectively stimulate consumer interest. Price also shows a significant influence, indicating that affordability and perceived value remain important considerations for Generation Z consumers. These findings provide practical implications for culinary business owners and marketers in designing promotional strategies that combine influencer engagement with competitive pricing to maximize purchase intention.
DICOM Image Analysis for Lung Cancer Detection Using Convolutional Neural Network (CNN) Insanul Kamil, M. Arib; Mulyadi, Romi
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.v5i2.290

Abstract

Lung cancer remains the leading cause of cancer-related deaths worldwide, with the highest burden in Asia, including Indonesia. Early detection is critical, yet access to radiology services is often limited by infrastructure, cost, and a shortage of trained specialists. Recent advances in artificial intelligence, particularly Convolutional Neural Networks (CNNs), offer promising solutions for automated image-based diagnosis. This study aims to analyze the effectiveness of CNN in detecting lung cancer from CT scan images in DICOM format. A dataset consisting of lung CT images from Kaggle and local hospitals was preprocessed through Gaussian blur filtering, segmentation, and pixel normalization before model training. Images were classified into two categories: cancer and non-cancer. The CNN architecture was trained and validated with an 80:20 split ratio, and model performance was assessed using accuracy, precision, recall, and F1-score. The experimental results show that the proposed CNN model achieved an accuracy of 88.27%, precision of 88.96%, recall of 97.43%, and an F1-score of 92.98%. The high recall value indicates the model’s strong ability to minimize false negatives, which is essential for clinical application. Performance graphs demonstrated stable accuracy and loss across training and validation sets, suggesting minimal overfitting.In conclusion, the developed CNN model demonstrates strong potential as a supportive diagnostic tool for early lung cancer detection, particularly in resource-limited healthcare settings. Its integration into radiology workflows may accelerate screening processes and improve clinical decision-making
The Influence of Social Media on Adolescent Attitudes at State Senior High School 10 Pekanbaru Redho, Ahmad; Meliza, Meliza; Yanti, Rifa
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.v5i2.294

Abstract

Adolescence is a phase between childhood and Adulthood between the ages of 10 and 19. Social network usage in Indonesia reaches 3 hours and 18 minutes a day. That period is the best in the world. Excessive use of social media can affect many factors, one of which is the attitude of adolescents. This study aims to determine the impact of social media on Adolescent Attitudes at SMA Negeri 10 Pekanbaru. Used in this type of research a quantitative method with a correlational Research Approach using online questionnaire distribution through G-From samples This study uses the slovin method obtained a sample of 263 Selecting people and samples technique used stratified Random sample, and statistical testing using the Chi-square test. The results of the study were shown that the majority Social Network use was high, amounting to 141 (53.6) respondents, the majority of attitudes tended to be negative, namely 167 (63.5%) based on the results of the Chi-Square test The Influence of social media on Adolescent Attitudes at SMA Negeri 10 Pekanbaru obtained P-Value <0.05 (0.000). It can be concluded that social networks have an impact on the Attitudes of Adolescents at SMA Negeri 10 Pekanbaru. It is expected that the teaching staff at SMA Negeri 10 Pekanbaru can control and provide understanding to students not to use social media excessively
Website Design as an Online Trading Media at the "Coffee On The Way" Shop Ibrahim, Herland; Azhar, Pahrezi; Martikasari, Arida
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.v5i2.297

Abstract

An implementation of the e-commerce website at the Coffee on the Way store described in this report was identified with the aim of knowing that by designing and implementing a website for the trade, it can build digitalization of online trade so that it will be described in detail how the e-commerce website design process for the Coffee on the Way store. The media that will be used to analyze how the system works is with flow maps and information tables. Therefore, the design to build the website uses DFD level 0-1 and PDM and CDM for database design and menu structure to identify the system navigation menu. Based on the findings of the implementation that has been carried out, there are several external software used such as XAMPP, bootstrap, leaflet and so on. The results of the implementation on the website are that the website system can display designs and features that have been previously designed in a concrete manner. Therefore, the contribution of the website is successfully displaying the planned features and designs and enabling the online transaction in the website.

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