Adika Fajar Putra
Faculty of Economic and Business, Universitas Sumatera Utara, Medan, 20155, Indonesia

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Influence Of Price, Product Quality and Brand Image Towards Oil Customer Loyalty Fried Palmanco In Medan City In East Medan District Triara Juniarsih; Satrio Wicaksono; Adika Fajar Putra
Journal Of Management Analytical and Solution (JoMAS) Vol. 5 No. 3 (2025): Journal Of Management Analytical and Solution
Publisher : TALENTA Publisher, Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jomas.v5i3.22919

Abstract

This research aims to determine and analyze the influence of price,product quality and brand image on customer loyalty for PalmancoCooking Oil in Medan City in East Medan District. This research isassociative research and the type of data used is quantitative. The dataused was obtained from interviews, surveys and distributingquestionnaires. The analytical method used is descriptive analysis andmultiple linear regression analysis. The population of this research isthe people of Medan city, especially in East Medan District, who usePalmanco cooking oil products. The number of samples in this studywas 119 people using a purposive sampling technique with the criteria:aged over 20 years and had purchased Palmanco cooking oil productsat least 3 times. The results of this research show that simultaneouslyPrice, Product Quality and Brand Image have a positive and significanteffect on Customer Loyalty for Palmanco Cooking Oil in Medan Cityin East Medan District. Partially, Price, Product Quality and BrandImage have a positive and significant effect on Customer Loyalty forPalmanco Cooking Oil in Medan City in East Medan District.
Information System Quality and Student Satisfaction: An Empirical Analysis of the SATU USU System at Universitas Sumatera Utara Adika Fajar Putra; Triara Juniarsih
Journal Of Management Analytical and Solution (JoMAS) Vol. 6 No. 1 (2026): Journal Of Management Analytical and Solution
Publisher : TALENTA Publisher, Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jomas.v6i1.24785

Abstract

This study investigates the influence of information quality within the SATUUSU academic information system on student satisfaction at the Faculty ofVocational Studies, Universitas Sumatera Utara. The research employs aquantitative approach using Partial Least Squares–Structural Equation Modeling(PLS-SEM) to analyze the relationship between information quality and studentsatisfaction. A total of 105 respondents were selected from a population of 2,500active students using the Slovin formula with a 10% margin of error. Informationquality was measured through five indicators: accuracy, completeness,relevance, clarity, and timeliness. Student satisfaction was assessed usingindicators of ease of use, interface satisfaction, perceived usefulness, systemsuitability, and overall satisfaction. The measurement model results demonstratestrong validity and reliability, indicated by outer loading values exceeding 0.70,Average Variance Extracted (AVE) values above 0.50, and composite reliabilityvalues greater than 0.90. The structural model analysis shows an R-square valueof 0.802, indicating that information quality explains a substantial proportion ofthe variance in student satisfaction. Bootstrapping results confirm a significantpositive effect of information quality on student satisfaction (β = 0.896; t =30.165; p < 0.001). These findings highlight the critical role of high-qualityinformation in improving user satisfaction with academic information systems inhigher education institutions.
Influence Of Price, Product Quality and Brand Image Towards Oil Customer Loyalty Fried Palmanco In Medan City In East Medan District Triara Juniarsih; Satrio Wicaksono; Adika Fajar Putra
Journal Of Management Analytical and Solution (JoMAS) Vol. 5 No. 3 (2025): Journal Of Management Analytical and Solution
Publisher : TALENTA Publisher, Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jomas.v5i3.22919

Abstract

This research aims to determine and analyze the influence of price,product quality and brand image on customer loyalty for PalmancoCooking Oil in Medan City in East Medan District. This research isassociative research and the type of data used is quantitative. The dataused was obtained from interviews, surveys and distributingquestionnaires. The analytical method used is descriptive analysis andmultiple linear regression analysis. The population of this research isthe people of Medan city, especially in East Medan District, who usePalmanco cooking oil products. The number of samples in this studywas 119 people using a purposive sampling technique with the criteria:aged over 20 years and had purchased Palmanco cooking oil productsat least 3 times. The results of this research show that simultaneouslyPrice, Product Quality and Brand Image have a positive and significanteffect on Customer Loyalty for Palmanco Cooking Oil in Medan Cityin East Medan District. Partially, Price, Product Quality and BrandImage have a positive and significant effect on Customer Loyalty forPalmanco Cooking Oil in Medan City in East Medan District.
Information System Quality and Student Satisfaction: An Empirical Analysis of the SATU USU System at Universitas Sumatera Utara Adika Fajar Putra; Triara Juniarsih
Journal Of Management Analytical and Solution (JoMAS) Vol. 6 No. 1 (2026): Journal Of Management Analytical and Solution
Publisher : TALENTA Publisher, Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jomas.v6i1.24785

Abstract

This study investigates the influence of information quality within the SATUUSU academic information system on student satisfaction at the Faculty ofVocational Studies, Universitas Sumatera Utara. The research employs aquantitative approach using Partial Least Squares–Structural Equation Modeling(PLS-SEM) to analyze the relationship between information quality and studentsatisfaction. A total of 105 respondents were selected from a population of 2,500active students using the Slovin formula with a 10% margin of error. Informationquality was measured through five indicators: accuracy, completeness,relevance, clarity, and timeliness. Student satisfaction was assessed usingindicators of ease of use, interface satisfaction, perceived usefulness, systemsuitability, and overall satisfaction. The measurement model results demonstratestrong validity and reliability, indicated by outer loading values exceeding 0.70,Average Variance Extracted (AVE) values above 0.50, and composite reliabilityvalues greater than 0.90. The structural model analysis shows an R-square valueof 0.802, indicating that information quality explains a substantial proportion ofthe variance in student satisfaction. Bootstrapping results confirm a significantpositive effect of information quality on student satisfaction (β = 0.896; t =30.165; p < 0.001). These findings highlight the critical role of high-qualityinformation in improving user satisfaction with academic information systems inhigher education institutions.