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All Journal Jurnal Sains dan Teknologi ISTP Journal Governance Bureaucratic Review
Marbinoto, Mayono Suko
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Computer Science & IT Decision Sciences, Operations Research & Management Environmental Science Law, Crime, Criminology & Criminal Justice Social Sciences Other

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PENGARUH PROMOSI DAN KUALITAS LAYANAN TERHADAP LOYALITAS PT. PEGADAIAN UNIT PELAYANAN CABANG BABURA Marbinoto, Mayono Suko; Purba, Johana Sihol Marito
Jurnal Sains dan Teknologi ISTP Vol. 22 No. 01 (2024): DESEMBER
Publisher : LPPM ISTP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59637/jsti.v22i01.432

Abstract

The tcount value is 0.065 while the ttable is 1.662 and is significant at 0.065, so that the tcount is 0.065 < ttable 1.662 and is significant 0.000 < 0.05, then H2 is accepted and H0 is rejected, which states that Service Quality has a positive and significant effect partially towards the Loyalty of PT Pegadaian Service Unit Babura Branch. The Fcount value is 11,706 while the Ftable is 2.711 which can be seen at α = 0.05 (see attached table F). The significant probability is much smaller than 0.05, namely 0.000 < 0.05, so the regression model can be said that simultaneously in this research Promotion and Service Quality have a positive and significant effect on the Loyalty of PT Pegadaian Service Unit Babura Branch. Promotion and Service Quality also has a very close relationship with Customer Loyalty with an R value of 0.196. Apart from that, 80.4% of PT Pegadaian Service Unit Babura Branch Customer Loyalty. can be explained by promotions and service quality, while the rest can be explained by other factors.
Analysis of Gas Station Queue System; Case Study Gas Station 13.201.101 on Jalan Jamin Ginting, Medan Baru District, Medan City Purba, Johana; Simarmata, Roberta; Marbinoto, Mayono Suko
Journal Governance Bureaucratic Review Vol. 2 No. 1 (2025): April, 2025
Publisher : Center for Maritime Policy Governance Studies (CMPGS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31629/jgbr.v2i1.7434

Abstract

Public Fuel Filling Stations (SPBU) are essential facilities that support transportation by ensuring the availability of fuel for motorized vehicles. However, long queues, particularly during peak hours, often cause traffic congestion, wasted time, and reduced customer satisfaction. These inefficiencies are generally linked to limited service capacity and uneven workload distribution among fuel pumps. This study aims to analyze the queuing system at Gas Station 13.201.101, Jalan Jamin Ginting, Medan, using the M/M/s queuing model and simulation with Arena software. Data were collected through direct observation of vehicle arrivals and service times for motorcycles and cars. Statistical tests, including chi-square and Kolmogorov-Smirnov, were applied to determine the best fit for inter-arrival and service time distributions, which followed exponential and beta distributions, respectively. The results indicate that motorcycles had an average inter-arrival time of 3.8 minutes and a service time of 3.3 minutes, while cars averaged 5.5 minutes between arrivals with 5.9 minutes of service. The theoretical M/M/s analysis showed relatively efficient performance, with less than one minute of waiting time and pump utilization ranging between 32% and 70%. In contrast, Arena simulation reflected real operational conditions more accurately, showing no waiting lines but revealing uneven distribution of workload among pumps, with some exceeding 70% utilization while others remained low. These findings highlight that while the system is generally efficient, improvements in vehicle routing and pump allocation are necessary. Recommendations include optimizing station layout, operator training, and adopting automated distribution systems to enhance efficiency and customer satisfaction.
Co-Authors Johana Purba Purba, Johana Sihol Marito Simarmata, Roberta