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All Journal Jurnal Teknik Industri TEKMAPRO Journal of Industrial Engineering and Management Jurnal Informatika dan Teknik Elektro Terapan EKONOMIS : Journal of Economics and Business JURNAL PENDIDIKAN TAMBUSAI Jurnal Samudra Ekonomi dan Bisnis SULTANIST: Jurnal Manajemen dan Keuangan International Journal of Economics Development Research (IJEDR) Jurnal Teknik Industri Terintegrasi (JUTIN) Academia Open Jurnal Surya Teknika Dinasti International Journal of Economics, Finance & Accounting (DIJEFA) Indonesian Journal of Industrial Engineering & Management JOURNAL LA MEDIHEALTICO Industrika : Jurnal Ilmiah Teknik Industri JAMBURA: JURNAL ILMIAH MANAJEMEN DAN BISNIS Jurnal Hasi Penelitian Dan Pengkajian Ilmiah Eksakta - JPPIE INCOME: Indonesian Journal of Community Service and Engagement IIJSE Jupiter: Publikasi Ilmu Keteknikan Industri, Teknik Elektro dan Informatika
Minto Waluyo
Teknik Industri UPN “ Veteran “ Jatim
Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry 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 Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Mathematics Mechanical Engineering Medicine & Pharmacology Neuroscience Nursing Physics Public Health Social Sciences Veterinary Other

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Analisis Peramalan Permintaan Produk Handuk Tipe A pada PT TUV dengan Metode Time Series Aryadinata, Rafi; Waluyo, Minto
Industrika : Jurnal Ilmiah Teknik Industri Vol. 9 No. 3 (2025): Industrika: Jurnal Ilmiah Teknik Industri
Publisher : Fakultas Teknik Universitas Tulang Bawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37090/indstrk.v9i3.2119

Abstract

In the era of globalization, industry and trade in Indonesia are experiencing fierce competition. Technological advances require qualified human resources from formal or non-formal educational institutions with supporting facilities. This research focuses mainly on solving the problem of the type A towel production process which often occurs in the accumulation of goods in the Finishing Warehouse using the Moving Average and Single Exponential Smoothing methods. Due to the current changing market demand, the results of data processing carried out using POM-QM software show that the forecasting method with the Single Exponential Smoothing approach has the lowest Mean Absolute Percentage Error (MAPE) value among other methods, which is 32.637%, so this method was chosen in solving problems in the company because the smaller the error the smaller the possibility of bad things that will happen. Keywords: Demand, Moving Average, Single Exponential Smoothing, Technology
Analysis of Service Quality on the Starbucks Indonesia Application Using E-SERVQUAL and Importance Performance Analysis (IPA) Hardhika, Palmarosa Ardianti Putri; Waluyo, Minto
Indonesian Interdisciplinary Journal of Sharia Economics (IIJSE) Vol 8 No 1 (2025): Sharia Economics
Publisher : Sharia Economics Department Universitas KH. Abdul Chalim, Mojokerto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31538/iijse.v8i1.6570

Abstract

The advancement of technology has had a significant impact on various aspects of life, especially in terms of people’s dependence on digital services. This trend has driven e-commerce growth, especially in the food and beverage sector, including Starbucks Indonesia which offers a mobile application for enhanced customer experiences. Despites its popularity, the application has received a low rating of 2,4/5 on Google Play Store. This study aims to evaluate the app’s service quality using E-ServQual method, which assesses seven dimensions: efficiency, reliability, fulfillment, privacy, responsiveness, compensation, and contact. Additionally, Importance Performance Analysis is applied to identify critical performance factors requiring improvement. Data is collected through online surveys targeting users who have transacted via the app at least once. The result indicated that, 10 out of 19 service quality attributes exhibited negative gap values, indicating that user perceptions fell short of expectations in key areas such as responsiveness and privacy. These attributes were concentrated in Quadrant I of the IPA diagram. The study calculated an overall service quality level of 88% which, while relatively high, remains below the ideal 100% benchmark. This suggests notable gaps in meeting user needs, particularly when compared to industry standards for similar apps. Highlighting the need to prioritize service quality improvements across these 10 attributes to enhance the App’s service quality and meet user expectations. The study provides actionable recommendations for Starbucks Indonesia to prioritize service quality enhancements based on user feedback and performance analysis.
Analysis Of The Effect Of Workload And Work Environment On Employee Satisfaction And Performance PT XYZ Using SEM Aisyah Elvina, Helga; Waluyo, Minto
Dinasti International Journal of Economics, Finance & Accounting Vol. 6 No. 3 (2025): Dinasti International Journal of Economics, Finance & Accounting (July-August 2
Publisher : Dinasti Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38035/dijefa.v6i3.4774

Abstract

This study aims to determine whether there is an influence between workload and work environment on employee satisfaction and performance at PT XYZ. The sample of this study was 122 employees who were directly involved in operations. and the method applied was SEM. The results of this study are that workload and work environment significantly influence employees' job satisfaction. workload and work environment have a significant effect on employee performance. Furthermore, employee satisfaction has a notable effect on employee performance. For further research, it is recommended to expand the variables studied.
The Effect Of Price, Product, Service Quality, And Branding On Repurchase Intention Mediated By Customer Satisfaction Using SEM Tools Case Study: Food UMKM (Weekend Kitchen) Nurardisa, Acyuta Intan; Waluyo, Minto
Dinasti International Journal of Economics, Finance & Accounting Vol. 6 No. 3 (2025): Dinasti International Journal of Economics, Finance & Accounting (July-August 2
Publisher : Dinasti Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38035/dijefa.v6i3.4778

Abstract

This study aims to determine the effect of price, product, and service quality on repurchase intention mediated by customer satisfaction at Weekend Kitchen Surabaya food UMKM. This research is motivated by the decline in the number of repeat purchases every year which is thought to be influenced by these factors. The research uses a quantitative method with a Structural Equation Modeling approach assisted by AMOS software. Respondents involved were 100 active customers who had purchased Weekend Kitchen products. The results showed that price and service quality have a significant effect on customer satisfaction, while product has no significant effect. Meanwhile, only price has a significant effect on repurchase intention, while product, service quality, and customer satisfaction show no significant effect. The conclusion of this study is that price is the main factor in shaping satisfaction and encouraging repeat purchases, so UMKM are advised to focus on pricing strategies that are in line with customer value perceptions, as well as evaluating product innovation and service strategies to increase customer loyalty.
Service Quality Drives Purchase Decisions and Loyalty through Repeat Purchases: Kualitas Layanan Memengaruhi Keputusan Pembelian dan Loyalitas Melalui Pembelian Berulang Aditya, Bintang Anggry Awan Putra; Waluyo, Minto
Academia Open Vol. 10 No. 2 (2025): December
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/acopen.10.2025.12115

Abstract

(General Background) The increasing competition in Indonesia’s retail sector highlights the critical role of service quality in influencing consumer purchasing behavior. (Specific Background) Faiz Plastic Store Sidoarjo, a retailer of household and packaging products, has experienced a decline in sales performance, allegedly due to deteriorating service quality that affects consumer retention. (Knowledge Gap) Previous studies have confirmed the impact of service quality on purchasing behavior, yet empirical evidence regarding its structural influence on purchase decisions, repeat purchases, and customer loyalty in small-scale retail settings remains limited. (Aims) This study aims to analyze the causal relationship between service quality (Servqual), purchase decisions, repeat purchases, and customer loyalty using Structural Equation Modeling (SEM). (Results) Findings reveal that service quality significantly influences purchase decisions, but purchase decisions do not significantly affect repeat purchases, while repeat purchases have a strong positive effect on customer loyalty. (Novelty) The study develops a structural model that clarifies the indirect mechanism linking Servqual dimensions to loyalty through behavioral intentions. (Implications) The results emphasize that maintaining high service quality should be complemented with loyalty programs, digital engagement, and online ordering systems to ensure customer retention and business sustainability. Highlights:  Service quality significantly shapes initial purchasing behavior. Repeat purchases serve as the main driver of customer loyalty. Loyalty programs and digital engagement enhance long-term retention. Keywords: Servqual, Purchase Decision, Repeat Purchase, Customer Loyalty, Retail Service Quality
Product Quality and Brand Image as Drivers of Repeat Purchase Decisions: Kualitas Produk dan Citra Merek sebagai Faktor Penentu Keputusan Pembelian Ulang Permadi, Alfin Rizki Bagus; Waluyo, Minto
Academia Open Vol. 10 No. 2 (2025): December
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/acopen.10.2025.12228

Abstract

General Background: Rapid technological advancements have transformed consumer behavior, especially in the smartphone industry, where performance, design, and innovation are key competitive aspects. Specific Background: Samsung, as a leading smartphone brand, continuously enhances its product quality and brand image to sustain customer loyalty, particularly with flagship models such as the Galaxy S25 Ultra. Knowledge Gap: Despite extensive studies on purchasing behavior, limited research integrates product quality, brand image, and purchase decisions as mediating factors influencing repurchase intention in premium smartphone contexts. Aims: This study investigates the effect of product quality and brand image on repurchase intention, mediated by purchase decision, among Samsung Galaxy S25 Ultra users in Indonesia. Results: Using Structural Equation Modeling (SEM) with AMOS on 100 respondents, findings reveal that brand image significantly influences purchase decision and repurchase intention, while product quality significantly impacts repurchase but not purchase decision. Purchase decision does not mediate the relationship effectively. Novelty: The integration of SEM-based mediation analysis provides a comprehensive understanding of causal relationships among variables in digital-era consumer behavior. Implications: Strengthening brand perception and maintaining consistent product quality are essential strategies for fostering long-term customer loyalty in competitive smartphone markets. Highlights: Brand image significantly drives both purchase and repurchase behavior. Product quality impacts repurchase but not initial purchase decisions. Purchase decision shows weak mediation between quality, image, and repurchase. Keywords: Product Quality, Brand Image, Purchase Decision, Repurchase Intention, SEM-AMOS
Analisis Aliran Supply Chain Management pada Project Manufacture 12 Sets Off Screen Spray Bar di PT XYZ Zulaikhah, Siti; Waluyo, Minto
Jurnal Pendidikan Tambusai Vol. 9 No. 1 (2025)
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai, Riau, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Dalam supply chain management, terdapat tiga aliran utama yaitu aliran produk, aliran keuangan dan aliran informasi. Tujuan dari penelitian ini adalah untuk menemukan dan mengidentifikasi tiga aliran utama supply chain management pada project manufacture 12 sets off screen spray bar. Metode yang digunakan pada penelitian ini metode kualitatif. Data yang didapatkan adalah data primer melalui wawancara dan data sekunder melalui studi pustaka artikel. Hasil yang diperoleh adalah aliran produk mengalir dari vendor menuju perusahaan kemudian ke transportasi terakhir ke client. Aliran keuangan mengalir dari client menuju transportasi dan perusahaan yang kemudian oleh perusahaan dialirkan ke vendor. Aliran informasi saling mengalir pada setiap mata rantai sehingga aliran informasi berjalan secara dua arah. Penelitian ini diharapkan dapat membantu perusahaan memastikan bahwa setiap proses yang dilaksanakan sebagai bagian dari proyek ini berjalan secara baik dan tepat.
Sosialisasi Peningkatan Soft Skills Melalui Pembentukan Karakter Terintegral pada Anak Yatim Piatu Islami, Mega; Waluyo, Minto
INCOME: Indonesian Journal of Community Service and Engagement Vol 3 No 2 (2024)
Publisher : EDUPEDIA Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56855/income.v3i2.1011

Abstract

Children are national assets that have the right to be protected, a child must receive protection and education. The current development of digital technology provides changes in behavior for children and society in carrying out activities. The problem faced by children at the Yakarim orphanage is a lack of knowledge and soft skills, this is due to the lack of education and training provided so that they cannot form an integrated character. This socialization aims to shape the character of orphanage children with better quality to face industrial competition. The method used is descriptive qualitative to train children's thinking skills, develop their potential, provide motivation to think innovatively, and produce work by utilizing existing resources. Keywords: Soft skills, Integral Character, Orphan
ANALISIS PERBANDINGAN METODE TRANSFER LEARNING DENSENET201 DAN VGG-19 TERHADAP PERFORMA KLASIFIKASI KUALITAS BUAH TOMAT Sanjaya, Clairine Aurellia; Waluyo, Minto
Jurnal Informatika dan Teknik Elektro Terapan Vol. 13 No. 1 (2025)
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jitet.v13i1.5810

Abstract

Melakukan analisa kualitas khususnya pada bidang pertanian pada buah tomat menjadi salah satu aspek penting karena buah tomat merupakan salah satu buah yang hingga saat ini banyak digunakan untuk pengolahan pangan. Data yang diperoleh diolah dengan memanfaatkan teknologi dengan metode transfer learning menggunakan metode DenseNet201 dan VGG19. Metode yang akan digunakan dalam pengolahan data akan dibandingkan untuk mendapatkan hasil yang lebih efektif dalam memprediksi kualitas buah tomat. Hasil menunjukan bahwa dengan model DenseNet201 dengan menggunakan ImageNet mendapatkan nilai akurasi sebesar 92% dan model VGG didapatkan hasil sebesar 82% sedangkan hasil tanpa ImageNet diperoleh model DenseNet201 memperoleh hasil akurasi sebesar 88% sedangkan model VGG19 sebesar 90%. Pada penelitian ini dilakukan untuk pengembangan sistem komputasi dalam mengklasifikasi kualitas buah tomat yang lebih efektif dalam dalam proses evaluasi.
The Influence of Brand Image, Product Quality, and Price on Purchase Decisions and Repurchase Intention Amalia, Adella; Waluyo, Minto
IJIEM - Indonesian Journal of Industrial Engineering and Management Vol 5, No 1: February 2024
Publisher : Program Pascasarjana Magister Teknik Industri Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/ijiem.v5i1.22011

Abstract

Based on data from one of the best e-commerce in Indonesia, sales of flagship smartphones with a price range of 15-18 million rupiah. This study aims to analyze the effect of brand image, product quality, and price on purchasing decisions and repurchase intentions on iPhone smartphones (studies on users of iPhone 14 in Indonesia). This study uses sampling data. In this research study, 20 indicators were used, and based on the Maximum Likelihood (ML) technique, the number of samples that had to be fulfilled was 5 x n(indicators) = 100 pieces. The hypothesis was tested using the Structural Equation Model (SEM) method using AMOS 22 software. The results of this hypothesis test will be followed by using SOAR analysis to determine marketing strategies. This study shows that brand image has a significant effect on purchasing decisions, price has a significant positive impact on buying decisions, and buying decisions have a significant positive effect on repurchasing intention of the iPhone 14 smartphone. So for the model equation, the relationship between exogenous variables and endogenous variables Y2 = 0.262 X1 + 0.413 X3 + Z4.
Co-Authors Abdillah, Giyo Sekhan Aditya, Bintang Anggry Awan Putra Aisyah Elvina, Helga Albany, Rifka Aulia Amalia, Adella Ardani, Natalia Caliysta Aryadinata, Rafi Febriana Putri Wahyono, Qhintara Fertansyah, Ammalya Ananda Hardhika, Palmarosa Ardianti Putri Hari, Ferdyansyah Bagus Az Islami, Mega Kartika, Nuarita Tri Nugroho, Aqshal Daffa Nugroho, Tito Dwi Nurardisa, Acyuta Intan Ophelia, Thalita Khosyi Permadi, Alfin Rizki Bagus Pratama, Deflin Riendra Pridynafiah, Levina Putri Adisti, Kirana Rafiq, Abdur Ramadhani, Novita Puspa Rochmatullah, Faris Yasin Sanjaya, Clairine Aurellia Santoso, Sri Nadine Siti Zulaikhah Sitompul, Adriel Suwandari, Putri Ayu Syafitri, Kharisma Widodo, Tegar Garin Widyatara, Alfina Wiranda, Sajidah Tiara Ayu