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All Journal Equator Journal of Management and Entrepreneurship Jurnal Manajemen Bisnis Jurnal Keuangan dan Perbankan International Journal of Advances in Intelligent Informatics JBTI : Jurnal Bisnis : Teori dan Implementasi Journal of Management and Business Review Jurnal REKOMEN (Riset Ekonomi Manajemen) Jurnal MEBIS (Manajemen dan Bisnis) Jurnal Ilmiah Manajemen Kesatuan International Journal of Applied Business and International Management Journal of International Conference Proceedings Strata Social and Humanities Studies Strata Business Review Jurnal Manajemen Maranatha
Yuli Liestyana
Universitas Pembangunan Nasional “Veteran” Yogyakarta
Religion Arts Humanities Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Social Sciences

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Optimizing LPG distribution: A hybrid particle swarm optimization and genetic algorithm for efficient vehicle routing and cost minimization Indrianti, Nur; Leuveano, Raden Achmad Chairdino; Abdul-Rashid, Salwa Hanim; Kuncoro, Andreas Mahendro; Liestyana, Yuli
International Journal of Advances in Intelligent Informatics Vol 11, No 3 (2025): August 2025
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26555/ijain.v11i3.1837

Abstract

This paper aims to develop an optimized solution for the Vehicle Routing Problem (VRP), tailored explicitly for Liquid Petroleum Gas (LPG) distribution, with a focus on minimizing transportation costs and enhancing delivery reliability. The critical role of LPG as an essential public infrastructure commodity, widely utilized for cooking and heating, makes its efficient and reliable distribution a significant logistical challenge due to the strict adherence to delivery time windows, heterogeneous fleets, multi-trip scenarios, and intricate loading and unloading requirements. To address these complexities, this study proposes a novel hybrid Particle Swarm Optimization and Genetic Algorithm (HPSOGA) that uniquely integrates multi-trip routing, time windows, and heterogeneous vehicle fleet management into a single optimization framework. The dual-phase optimization strategy leverages the exploratory capability of PSO and the solution-refining power of GA, resulting in high-quality, feasible solutions. Validation against real-world data involving VRP instances with 88 and 40 stations demonstrates the model’s practical impact, achieving reductions of up to 4.56% in transportation costs compared to existing operational routes. This research makes a significant contribution to interdisciplinary domains, including logistics optimization, sustainability, and energy distribution, by offering a robust and scalable model that comprehensively addresses complex, real-world VRP constraints.
The Influence of Brand Ambassador, Website Quality, and E-WOM on Purchase Decisions in Shopee E-Commerce within the Special Region of Yogyakarta Hafizh, Haidar Andi; Liestyana, Yuli
Strata Social and Humanities Studies Vol. 3 No. 2 (2025): October
Publisher : CV. Strata Persada Academia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59631/sshs.v3i2.459

Abstract

This study aims to examine the influence of brand ambassador, website quality, and electronic word of mouth (E-WOM) on purchase decisions in Shopee e-commerce within the Special Region of Yogyakarta. Employing a quantitative survey approach, data were collected from 100 active Shopee users through purposive sampling, using structured questionnaires measured on a five-point Likert scale. The collected data were analyzed using multiple linear regression with SPSS version 23 to determine both partial and simultaneous effects among variables. The findings reveal that brand ambassador, website quality, and E-WOM each have a positive and significant impact on purchase decisions. Specifically, effective brand ambassadors enhance consumer trust and brand image, while a high-quality website with appealing visuals, easy navigation, and security features fosters user confidence and satisfaction. Likewise, positive E-WOM through online reviews and peer recommendations significantly strengthens consumer purchase intentions. These findings underscore the importance of integrating digital marketing communication strategies to enhance customer experience and loyalty in e-commerce. Future research is recommended to incorporate additional variables such as brand trust, customer satisfaction, and digital service quality to develop a more comprehensive model of online consumer behavior.
The Analysis of Sustainable Firm Performance in Textiles SMEs in Bogor, Indonesia Liestyana, Yuli; Adella, Nabila Prisma; Wahyuningsih, Tri; Utami, Yekti
Journal of Management and Business Review Vol 21, No 2 (2024)
Publisher : Research Center and Case Clearing House PPM School of Management

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34149/jmbr.v21i2.488

Abstract

Green supply chain management (GSCM) is an environmentally friendly initiative for all stages of the product life cycle, from product design to handling when the product life cycle ends. This research aims to determine the impact of green entrepreneurial orientation, market orientation, and green supply chain management practices on sustainable firm performance. The sample used was textile SMEs in Bogor Regency, with 62 respondents. The technique used for sampling is purposive sampling with the criteria of SMEs applying the green supply chain management concept. Data was collected through a questionnaire and analyzed using PLS (Partial Least Square). The study shows that green entrepreneurial orientation does not affect green supply chain management practices. Market orientation influences green supply chain management practices. Green supply chain management practices influence sustainable firm performance. Green supply chain management practices do not mediate the relationship between green entrepreneurial orientation and sustainable firm performance but do mediate the relationship between market orientation and sustainable firm performance.
The Analysis of Information and Communication Technology, Supply Chain Management, Competitive Advantage, and SMEs Performance Nafisa, Unesya Lu’luatu; Liestyana, Yuli; Utami, Yekti; Wahyuningsih, Tri; Satmoko, Agung; Tugiyo, Tugiyo
Journal of International Conference Proceedings Vol 6, No 1 (2023): 2023 ICPM Malang Proceeding
Publisher : AIBPM Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32535/jicp.v6i1.2229

Abstract

This study analyzed the performance of SMEs influenced by information communication technology, supply chain management, and competitive advantage. The researcher selected the bakpia-producing SMEs in Sleman Regency as the population in this study. This research analyzed the data collected from the questionnaires using SEM (Structural Equation Modeling) analysis method using the SmartPLS v.3.2.7 software. The results of this study show that not all hypotheses are accepted. The first hypothesis is accepted where supply chain management positively affects competitive advantage. Supply chain management also affects SME performance positively; thus, the second hypothesis is accepted. Meanwhile, the third hypothesis is accepted, where information communication technology positively affects supply chain management. Two hypotheses are not accepted. The first is the fourth hypothesis: information and communication technology do not affect competitive advantage. The second is the fifth hypothesis: competitive advantage does not affect SME performance. The research team suggests bakpia-producing SMEs to improve information and communication technology and supply chain management practices.
The Effect of Service Quality and Perceived Value on Customer Satisfaction Mediated by Trust Mathesa, Justin Ricky; Liestyana, Yuli; Utami, Yekti; Wahyuningsih, Tri; Oetomo, Hadi; Tugiyo, Tugiyo
Strata Business Review Vol. 3 No. 2 (2025): November
Publisher : CV. Strata Persada Academia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59631/sbr.v3i2.439

Abstract

This study investigates the influence of service quality and perceived value on customer satisfaction, with trust functioning as a mediating variable. The research was conducted among PBPU/Mandiri BPJS Health Insurance participants registered at the Yogyakarta JKN BPJS Health Branch. Using a quantitative approach, data were collected through purposive sampling, resulting in 110 respondents who completed a structured questionnaire. Measurements were based on a Likert scale, and data were analyzed using Structural Equation Modeling (SEM) with Partial Least Squares (SmartPLS 3.0). The results indicate that all indicators used in the study demonstrate strong loading factor values, confirming their reliability as research instruments. The R-Square value shows that service quality, perceived value, and trust collectively explain 85.9% of the variance in customer satisfaction, while the remaining 14.1% is influenced by other unexamined factors. Findings further reveal that both service quality and perceived value significantly and positively affect trust and customer satisfaction. Moreover, trust is found to effectively mediate the relationship between service quality and perceived value on customer satisfaction. These results highlight the crucial role of trust in enhancing customer satisfaction within the BPJS Health Insurance service context.
The Analysis of Customer Loyalty to Takeaway Restaurants in The Special Region of Yogyakarta Laksana, Dwi Hari; Liestyana, Yuli; Pramesti, Aulia Rizqi Dyah Ayu
Jurnal Mebis Vol. 10 No. 2: December 2025
Publisher : UPN "Veteran" Jawa Timur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33005/mebis.v10i2.741

Abstract

The rapid advancement of technology and information has significantly impacted various sectors, including the food and beverage industry. As a fundamental human need, food plays a crucial role, and the increasing demand has led to substantial growth in this sector, particularly in restaurants and eateries. According to data from the Ministry of Industry (2023), the food and beverage industry grew by 5.35% in the first quarter of 2023, making it a major contributor to the non-oil and gas processing Gross Domestic Product (GDP). This study investigates the effects of service quality, product innovation, and customer satisfaction on customer loyalty at Takeaway Restaurants in the Special Region of Yogyakarta. Given the increasing competition in the food and beverage industry, understanding these factors is essential for maintaining a loyal customer base. Utilising a quantitative approach, data were collected from 123 repeat customers through online surveys administered via Google Forms. Using the SPSS analysis tool, IBM SPSS 23 Software version. The results indicate that all three variables significantly influence customer loyalty, with service quality having the most substantial impact. The findings highlight the importance of exceeding customer expectations through high-quality service and innovative product offerings. Additionally, recent challenges, such as concerns over hygiene practices, underscore the need for immediate improvements in service standards. Recommendations for Takeaway Restaurants include enhancing staff training, ensuring cleanliness, and fostering a positive dining experience to build long-term loyalty.
Sustainable Social Supply Chain Practices and Operational Performance in The Manufacturing Industry in Sleman Wahyuningsih, Tri; Liestyana, Yuli; Utami, Yekti; Oetomo, Hadi; Tugiyo, Tugiyo
Journal of International Conference Proceedings Vol 8, No 6 (2025): 2025 WIMAYA Yogyakarta Proceeding
Publisher : AIBPM Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32535/jicp.v8i6.4425

Abstract

This research aims to explore how Sleman Regency's manufacturing sector operates in relation to sustainable social supply chain practices (SSSCPs).  The primary data used in this investigation were obtained from questionnaires.  After the data was gathered, the connection between the variables was examined using linear regression analysis. The analysis's findings show that operational performance (OP) is positively impacted by sustainable social supply chain practices (SSSCPs). With a small sample size of 37, the generalizability of this study is limited to medium- and large-scale manufacturing industries in Sleman Regency that have been in operation for at least ten years.  However, by examining these connections in a developing nation, this study offers a fresh viewpoint. By investigating the impact of sustainable social supply chain practices (SSSCPs) on operational performance (OP) in the industrial sector of Sleman Regency, this study adds to the body of literature.  From a practical standpoint, this study helps manufacturing firms understand The value of applying measures that promote social responsibility within sustainability to enhance overall competitiveness and operational performance.
Does Dynamic Capability Lead to Sustainable Innovation Performance in Smes? Liestyana, Yuli; Wahyuningsih, Tri; Utami, Yekti; Oetomo, Hadi; Tugiyo, Tugiyo
Journal of International Conference Proceedings Vol 8, No 6 (2025): 2025 WIMAYA Yogyakarta Proceeding
Publisher : AIBPM Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32535/jicp.v8i6.4391

Abstract

These researchers analyzed micro, small, and medium enterprises (MSMEs) in Bantul Regency, Indonesia, to determine whether dynamic capabilities have a positive impact on sustainable innovation performance.  In general, MSMEs in Indonesia play a crucial role in sustaining a resilient economy, which has proven to be able to withstand uncertain conditions. In developing countries such as Indonesia, MSMEs are expected to effectively manage both internal and external resources to achieve a sustainable competitive advantage. In this study, data were collected from 176 MSMEs that met the criteria of possessing dynamic capabilities in four main aspects: sensing capabilities, learning capabilities, integrating capabilities, and coordinating capabilities. The respondents in this study were managers or owners of MSMEs. Using regression analysis, the researchers found that these four aspects had a positive effect on the sustainable innovation performance of MSMEs in Bantul Regency. Thus, it has been proven that managing all aspects of dynamic capabilities is a strategic step to improve MSME performance, especially in terms of sustainable innovation.
The Influence of Web Design Quality and Brand Image on Repurchase Intention with Customer Satisfaction as Mediating Variable Hadioetomo, Hadioetomo; Sukarno, Agus; Sutanto, Hery; Liestyana, Yuli; Haniyah, Izah Nur
Jurnal Ilmiah Manajemen Kesatuan Vol. 14 No. 2 (2026): JIMKES Edisi March 2026
Publisher : LPPM Institut Bisnis dan Informatika Kesatuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37641/jimkes.v14i2.3885

Abstract

Technological and internet advancements have transformed entertainment consumption patterns, particularly through streaming platforms such as Netflix. Despite having a strong brand image, Netflix faces challenges in maintaining customer loyalty. This study aims to examine the influence of web design quality and brand image on customer satisfaction and repurchase intention, with customer satisfaction serving as a mediating variable. A quantitative approach was employed using an online survey. Data were collected from 104 Generation Z respondents in Yogyakarta who had active Netflix subscriptions, using purposive sampling. Data analysis was conducted using Partial Least Squares Structural Equation Modeling (PLS-SEM) with SmartPLS 4.0. The results indicate that web design quality and brand image positively affect both customer satisfaction and repurchase intention. Moreover, customer satisfaction was found to mediate the relationship between web design quality and brand image on repurchase intention, strengthening their effects. These findings highlight the critical role of digital platform quality and brand reputation in fostering user loyalty. The study recommends that streaming service providers enhance platform functionality and usability while maintaining a strong brand image to improve customer satisfaction and retention.
Analyzing the Influence of Brand Ambassadors, Promotion, and Viral Marketing on Purchase Decisions for a Snack Brand Dwi Hari Laksana; Yuli Liestyana; Nursabilla Marbun
International Journal of Applied Business and International Management Vol 10, No 1 (2025): April 2025
Publisher : AIBPM Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32535/ijabim.v10i1.3788

Abstract

This study analyzes the effect of brand ambassadors, promotion, and viral marketing on purchase decisions of Tos Tos, a brand of tortilla chips snack. This study uses primary data. This study uses quantitative research with a population of NCT Dream fans in Indonesia. The sample taken in this study consisted of 105 respondents using a non-probability sampling method with a purposive sampling technique. The study used a questionnaire. The results of this study found that brand ambassadors, promotions, and viral marketing together have a significant effect on the decision to purchase Tos Tos snack. Brand ambassadors affect the decision to purchase Tos Tos snack. Promotion affects the decision to purchase Tos Tos snack. Viral marketing affects the decision to purchase Tos Tos snack. The researcher suggests that the Tos Tos snack company can maintain the number of advertisements on social media, the quality of message delivery, the reach of promotions, prize offers, and special offers offered. When viewed from the average promotion indicator, the special offer indicator has the lowest value, so the company needs to re-evaluate what special offers should be given to consumers. Consumers, when making purchasing decisions, will consider who advertises the product. The results of the research show that the promotion of the Tos Tos snack is very attractive to NCT Dream fans.
Co-Authors Abdul-Rashid, Salwa Hanim Adella, Nabila Prisma Agung Satmoko Agus Sukarno Agus Sukarno Alrafi, Krisnha Amal, Firman Ihlasul Darpito, Surpiko Dewi, Alivia Zahra Kirana Dewi, Lenny Fitriana Dwi Hari Laksana Febry Anindya Hanumsari G. Gunawan Hadi Oetomo Hafizh, Haidar Andi Haniyah, Izah Nur Hara, Muhammad Herlianto, Didit Hery Sutanto Khoirul Novia Sufatmawati Khurrohmah, Mifta Kuncoro, Andreas M Laksana, Dwi Hari Leuveano, Raden Achmad Chairdino Mathesa, Justin Ricky Muhamad Kiki Ariyanto Nafisa, Unesya Lu’luatu Nafisa, Unesya Lu’luatu Ninik Probosari, Ninik Novanty, Tety Nur Indrianti Nurhalisa, Suci Nursabilla Marbun Pramesti, Aulia Rizqi Dyah Ayu Prasetyo, Edo Budi R. Hendri Gusaptono Sabihaini Sabihaini Satoto, Shinta Sudaryatie, Sudaryatie Tri Wahyuningsih Tri Wahyuningsih Tugiyo, Tugiyo Virliana Annida Luthfiani Yekti Utami Yohana, Maryetha Yova Zhafira Rahma Anggit Pratiwi