Yogi Yusuf Wibisono
Jurusan Teknik Industri, Fakultas Teknologi Industri Universitas Katolik Parahyangan, Bandung

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THE EFFECT OF PRODUCT QUALITY, SERVICE QUALITY, CORPORATE IMAGE AND PERCEIVED VALUE ON CUSTOMER LOYALTY OF B2B TRUCK COMPANY WITH CUSTOMER SATISFACTION AS INTERVENING VARIABLES Wirajaya, Steven; Sitorus, Hotna Marina; Wibisono, Yogi Yusuf; Kurniawan, Daniel; Nathania, Livia
International Journal of Economics, Business and Accounting Research (IJEBAR) Vol 7 No 4 (2023): IJEBAR, Vol. 7 Issue 4, December 2023
Publisher : LPPM ITB AAS INDONESIA (d.h STIE AAS Surakarta)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29040/ijebar.v7i4.11569

Abstract

PT X is a multinational B2B automotive company that provides large trucks. Based on truck sales data from 2019 to 2021, PT X has experienced a decrease in truck sales. In July 2021, 2 out of 6 transactions failed because customers preferred to buy trucks from other companies. PT X suspects issues with customer loyalty. This study aims to evaluate customer loyalty levels based on factors influencing them. The research phase begins with the construction of research models and questionnaires containing rating questions on perceived value, product quality, service quality, corporate image, customer satisfaction, and customer loyalty. Questionnaires were distributed to customers who had purchased trucks from PT X between October 2021 and November 2021. Data processing is conducted using the PLS-SEM method to derive research conclusions. Based on the results of data processing, it was found that the factors affecting customer loyalty are product quality, corporate image, and customer satisfaction. Suggestions include a focus on these three factors and improvement in the spare part procurement system, with the hope that customer loyalty levels and truck sales will increase.
THE STUDY OF SACRIFICE AND CUSTOMER SATISFACTION THAT INFLUENCE CUSTOMERS’ REPURCHASE INTENTION AT NOODLE RESTAURANT Sugianto, Martin Julian; Wibisono, Yogi Yusuf
International Journal of Economics, Business and Accounting Research (IJEBAR) Vol 8 No 3 (2024): IJEBAR, VOL. 8, ISSUE 3, September 2024
Publisher : LPPM ITB AAS INDONESIA (d.h STIE AAS Surakarta)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29040/ijebar.v8i3.13909

Abstract

According to the Minister of Industry and the Central Statistics Agency, the food and beverage industry or business has contributed 1.2 quadrillion or 6.32% of Indonesia's total economic income in 2022. There are many food businesses spread across Indonesia, one of which is Restaurant X. The problem found was that there was a decrease in revenue at Restaurant X’s income starting from 2020 to 2023, causing difficulty in achieving targets every month. The purpose of this research is to identify and analyze the key factors that influence customer repurchase intentions at Restaurant X. The decrease in revenue occurred due to a decrease in the number of customers. Therefore, the purpose of this study is to determine the factors that can influence customer repurchase intentions at Restaurant X. In the research there are several variables, namely service quality, food quality, sacrifice, and customer satisfaction. Data collection was carried out using a questionnaire with a sampling technique in the form of convenience sampling. Data processing was carried out using the PLS-SEM (Partial Least Square-Structural Equation Model) method. This research succeeded in proving that service quality, food quality, and sacrifice influence customer satisfaction which then influences repurchase intention.
INTEGRATION OF SERVQUAL AND IMPORTANCE PERFORMANCE ANALYSIS IN IMPROVING SERVICE QUALITY OF MORE COFFEE AND SPACE Aditya, Naufal Rafi; Wibisono, Yogi Yusuf
International Journal of Economics, Business and Accounting Research (IJEBAR) Vol 8 No 3 (2024): IJEBAR, VOL. 8, ISSUE 3, September 2024
Publisher : LPPM ITB AAS INDONESIA (d.h STIE AAS Surakarta)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29040/ijebar.v8i3.14635

Abstract

This study has four main objectives, namely: (1) Identify the attributes that can evaluate the quality of service at MORE Coffee & Space, (2) Determine the level of service quality at MORE Coffee & Space, (3) Determine the importance level of service quality attributes at MORE Coffee & Space, (4) Identify appropriate improvement suggestions for addressing the issues faced by MORE Coffee & Space in order to enhance service quality. MORE Coffee & Space is a coffee shop based in Subang, West Java which was established in 2021 selling various drinks and food menus. MORE Coffee & Space has experienced a decline in the number of consumers. This causes the predetermined revenue target not to be achieved. The population in this study are MORE Coffee & Space customers who make purchases in July 2023. The number of samples used for the study were 165 customers. All samples were taken by filling out a questionnaire and distributed with a purposive sampling method. The validity test for the questionnaire was carried out using a factor analysis. The reliability test for the questionnaire was carried out using Cronbach's Alpha. Both tests are helped with IBM SPSS 25 application. The result was carried out using the SERVQUAL method and shows that the quality of service of MORE Coffee & Space is in a bad condition. Determine the level of importance for priority improvements with IPA diagrams which there are 9 attributes that require immediate action.
Studi Awal Pengembangan Instrumen Pengukuran Keberlanjutan Perguruan Tinggi di Indonesia Athalia, Nadia; Hariandja, Johanna Renny Octavia; Wibisono, Yogi Yusuf
Jurnal Rekayasa Sistem Industri Vol. 14 No. 1 (2025): Jurnal Rekayasa Sistem Industri
Publisher : Universitas Katolik Parahyangan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26593/jrsi.v14i1.8957.146-159

Abstract

As a way to achieve sustainable development, it is important to develop a tool for assessing sustainability of Indonesian universities. There is one tool created by an Indonesian university, which have been utilized by 1,183 universities worldwide. However, the participation of Indonesian universities in sustainability assessment using this tool is considered very low, only 3.12% or about 145 universities in Indonesia. This statistic calls for an effort to develop a new assessment tool that accommodates the context of Indonesian universities. The objective of this research is to develop a sustainability assessment tool that is effective, relevant with the context of Indonesian universities and includes a data input system that is simple to use. The research involves identifying relevant sustainability dimensions, determining indicator criteria suitable for Indonesian context, designing easy data input, and evaluating the validity and reliability of the tool. This study uses a literature review of 29 current measuring tools used globally, which revealed four primary areas (i.e. environment, economics, education, and social). According to this preliminary study, the typical measurement tool averagely has forty indicators. Moreover, it is observed that current tools have some unsuitable indicators to Indonesian context (i.e. infrastructure, environment, and information). This study has streamlined the tool to three primary areas (i.e. environment, social, and education) and 18 assessment indicators. As a follow up study, expert talks, pairwise comparison analysis, and the design and testing of the sustainability assessment tool will be carried out.