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All Journal DiE: Jurnal Ilmu Ekonomi dan Manajemen Jurnal Dimensi International Journal of Artificial Intelligence Research AKRUAL: Jurnal Akuntansi IJEBD (International Journal Of Entrepreneurship And Business Development) INVENTORY: JURNAL AKUNTANSI Jurnal Analisa Akuntansi dan Perpajakan Dinasti International Journal of Education Management and Social Science Dinasti International Journal of Digital Business Management International Journal of Health, Economics, and Social Sciences (IJHESS) International Journal of Social Science Jurnal Difusi Ipteks Legowo International Journal Multidisciplinary Journal of Economic and Business
Aminullah Assagaf
Unknown Affiliation
Agriculture, Biological Sciences & Forestry Arts Humanities Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Environmental Science Health Professions Languange, Linguistic, Communication & Media Medicine & Pharmacology Physics Public Health Social Sciences Other

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Analisis Pengaruh Pengelolaan Bahan Baku terhadap Efisiensi Biaya Operasional Pada PT. PLN (Persero) Alvy Mulyaning Tyas; Sayidah, Nur; Assagaf, Aminullah; Shanty Ratna Damayanti; Jajuk Suprijati; Sutarmin
INVENTORY: JURNAL AKUNTANSI Vol. 9 No. 1 (2025): INVENTORY
Publisher : Prodi Akuntansi, Fakultas Ekonomi dan Bisnis, Universitas PGRI Madiun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25273/inventory.v9i1.21687

Abstract

This study addresses the financial challenges faced by PT. PLN (Persero), particularly the high operational costs associated with managing energy raw materials such as coal and gas. Dependence on third-party procurement exacerbates these issues, highlighting the need for comprehensive solutions. The research aims to analyze the impact of raw material management on operational cost efficiency. Using a quantitative approach and multiple linear regression analysis, the study reveals that the proportion of renewable energy (X1) significantly improves efficiency, with a coefficient of 53.99 and p=0.001p = 0.001p=0.001, indicating that a 1% increase in renewable energy proportion enhances operational cost efficiency by Rp 53.99/kWh. Raw material procurement costs (X2) positively affect efficiency, with a coefficient of 8.10 (p<0.001), emphasizing the importance of effective procurement strategies. Conversely, the inventory value of raw materials (X3) negatively impacts efficiency, with a coefficient of -21.05 (p=0.037), suggesting that excessive inventory levels reduce efficiency. Although transportation costs (X4) show a negative coefficient of -14.67, their effect is statistically insignificant (p=0.356). Overall, the findings highlight the crucial role of transitioning to renewable energy, diversifying raw materials, and optimizing stock management in improving operational efficiency. These insights provide strategic directions for PT. PLN (Persero) to enhance independence in raw material management and achieve significant operational cost efficiencies.
Determinants of Customer Satisfaction That Impact Electricity Repurchase Decisions: Evidence From Electricity Companies in Indonesia Ahsan, Mohammad; Assagaf, Aminullah; Riyadi, Slamet; Sukesi, Sukesi; Yunus, Eddy; Ady, Sri Utami; Suyanto, Suyanto
Dinasti International Journal of Education Management And Social Science Vol. 5 No. 2 (2023): Dinasti International Journal of Education Management and Social Science (Decem
Publisher : Dinasti Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31933/dijemss.v5i2.2254

Abstract

The purpose of this study is to determine the effect of marketing mix and service quality on customer satisfaction and its impact on electricity repurchase decisions, a case study on electricity companies in Indonesia. This research uses power electricity product categories and customer service provided by electricity companies. The population of this study is electricity customers spread throughout the territory of Indonesia using questionnaires of 250 respondents. This study used a multiplier regression analysis technique with SPSS Statistical Version 25 statistical processing. Research results, First, electricity customer satisfaction is significantly influenced by price, distribution channels, promotions, and service quality;  Second, customer satisfaction has a positive and significant effect on the decision to repurchase electricity, Third, simultaneously product, price, distribution channel, promotion, and service quality have a significant effect on customer satisfaction and repurchase decisions, Fourth, customer satisfaction can mediate the influence of price, distribution channels, promotions, and service quality on repurchase decisions,   But it is unable to mediate the influence of the product. The results of this study enrich the empirical literature on Marketing Mix theory, Service Quality, Customer Satisfaction, and Purchasing Decisions. Electricity companies can implement a marketing mix and service quality to improve customer satisfaction and electricity repurchase decisions. The originality of this study on mediating customer satisfaction on the effect of marketing mix and service quality on electricity repurchase decisions, no previous study has examined its effect on electricity companies in Indonesia.
DIGITAL FINANCIAL ADOPTION STRATEGY MODERATED BY FINANCIAL LITERACY AT BPR SYARIAH IN EAST JAVA Putri Septi Naulina Hasibuan; Aminullah Assagaf; Sri Handini
International Journal of Social Science Vol. 5 No. 3 (2025): October 2025
Publisher : Bajang Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53625/ijss.v5i3.11385

Abstract

The use of technology in the banking sector through Financial Technology (digital finance) is expected to provide convenience in services for the public. However, its implementation still faces challenges due to the low level of public understanding regarding digital finance and investment. This study aims to analyse the influence of risk, ease of use, usefulness, and benefits on attitudes toward the use and adoption of digital finance, with financial literacy as a moderating variable. This quantitative research involved 180 respondents who are customers of BPR Syariah, selected using purposive sampling and the Slovin formula. Data were collected through questionnaires and analysed using SEM-PLS. The results indicate that risk has a negative effect, while ease of use, usefulness, and benefits have positive effects on attitudes toward the use and adoption of digital finance. Nevertheless, attitudes toward the use of digital finance do not significantly affect adoption, and financial literacy is not proven to moderate the relationship. These findings highlight that ease of use, usefulness, and benefits are more dominant factors in encouraging the use of digital finance compared to financial literacy itself
STRATEGIES TO INCREASE ELECTRIC CAR PURCHASE INTEREST THROUGH MODERATED TRUST IN ELECTRIC CAR BRAND EQUITY IN EAST JAVA Rinto Harno; Aminullah Assagaf; Sukesi, Sukesi
International Journal of Social Science Vol. 5 No. 3 (2025): October 2025
Publisher : Bajang Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53625/ijss.v5i3.11386

Abstract

The objective of this study was to analyze the influence of Environmental Concern, Innovation, Social Media Effectiveness, Brand Image, and Green Product Awareness on Purchase Intention through Trust, moderated by Brand Equity, among electric car consumers in East Java. This study used causality, using primary and secondary data sources. The sample population was 195 electric car consumers in East Java. The analytical technique chosen to analyse the data and test the hypotheses in this study was the Structural Equation Model. The results of the study prove that Environmental Concern has a positive but insignificant effect and Innovation has a negative but insignificant effect on Consumer Trust; while Social Media Effectiveness, Brand Image and Green Product Awareness have a positive and significant effect on Consumer Trust; Environmental Concern has a negative but insignificant effect and Innovation has a positive but insignificant effect on Consumer Purchase Intention; while Social Media Effectiveness has a negative but significant effect and Brand Image has a positive but significant effect on Consumer Purchase Intention; except that Green Product Awareness has a positive but insignificant effect on Purchase Intention; Trust has a positive but significant effect on Consumer Purchase Intention; and Trust has a negative but insignificant effect on Purchase Intention moderated by Consumer Brand Equity.
Faktor-Faktor yang Mempengaruhi Kinerja Operasional Studi Kasus Bengkel Mobil Car In Surabaya Yulianita, Lailatul; Assagaf, Aminullah
Journal of Economic and Business Vol 2 No 2 (2025): September
Publisher : Universitas Nazhatut Thullab Al-Muafa Sampang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52298/joebis.v2i2.139

Abstract

Penelitian ini bertujuan untuk menguji faktor-faktor yang mempengaruhi kinerja operasional studi kasus di bengkel mobil car in surabaya. Penelitian ini menggunakan pendekatan kuantitatif dengan metode analisis linear berganda, serta melibatkan 50 responden yang diperoleh dari karyawan Bengkel Mobil Car In Surabaya. Analisis statistik dilakukan menggunakan software SPSS versi 26. Hasil penelitian menunjukkan ada 4 jawaban : (1) Sistem akuntansi manajemen berpengaruh signifikan terhadap kinerja operasional. (2) Teknologi informasi berpengaruh signifikan terhadap kinerja operasional. (3) Biaya Operasional berpengaruh signifikan terhadap kinerja operasional. Dan (4) Pendapatan berpengaruh signifikan terhadap kinerja operasional. Dengan demikian, keempat variabel bebas tersebut saling melengkapi dalam menentukan tingkat efisiensi dan efektivitas kerja operasional.
THE EFFECT OF SERVICE QUALITY, PATIENT RELATIONSHIP MANAGEMENT AND SERVICE FAIRNESS ON LOYALTY THROUGH PATIENT SATISFACTION OF TYPE B HOSPITALS IN DKI JAKARTA Rudianto, Setiawan Eko; Sayidah, Nur; Riyadi, Slamet; Marwiyah, Siti; Sukesi; Assagaf, Aminullah; Tampubolon, Liosten R. R. Ully; Albab, Eric Ulul
International Journal Multidisciplinary (IJMI) Vol. 3 No. 1 (2026): International Journal Multidisciplinary (IJMI)
Publisher : Antis-Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61796/ijmi.v3i1.394

Abstract

Objective: This study aims to (1) examine the influence of service quality, patient relationship management, and service fairness on patient satisfaction and loyalty, and (2) test whether patient satisfaction mediates the influence of service quality, patient relationship management, and service fairness on patient loyalty. Method: A quantitative approach was employed with a survey conducted on 320 respondents, consisting of inpatients in several hospitals in DKI Jakarta, and the data were analyzed using linear regression analysis and mediation tests. Result: The findings of this study are: (1) the quality of service has no effect on patient satisfaction and loyalty; (2) patient relationship management has no effect on patient satisfaction but has a positive effect on patient loyalty; (3) service fairness has a positive effect on patient satisfaction and loyalty; (4) patient satisfaction has no effect on patient loyalty; (5) patient satisfaction is not an intervening variable between service quality and patient relationship management to patient loyalty; and (6) patient satisfaction is an intervening variable between service fairness and patient loyalty. Novelty: The results show that service justice has a great influence on both patient satisfaction and loyalty, proving that the variable of service justice in which there are indicators of retributive justice is a proven novelty, highlighting the importance of leaders in formulating policies related to fairness in service and ensuring the implementation of fair services by all hospital employees to increase satisfaction and ultimately foster patient loyalty.
Interest Rate Policy Moderate The Performance Impact On Banking Stock Price In Indonesia Sari, Laynita; Assagaf, Aminullah; Lusiana, Lusiana; Elfiswandi, Elfiswandi; Zefriyeni, Zefriyeni
International Journal of Artificial Intelligence Research Vol 8, No 1.1 (2024)
Publisher : Universitas Dharma Wacana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29099/ijair.v8i1.1.1352

Abstract

The stock price is a factor that investors must consider in investing. The stock price is an indicator of the successful management of the company. An increase in share price will reflect an increase in shareholder wealth as an investor. There is a phenomenon in banking stock prices in Indonesia from 2020-2021, where share prices have decreased yearly. This study aimed to investigate the effect of company performance on stock prices by using interest policy as a moderating variable. The method used in this research is panel data regression. The results show that performance positively affects stock prices, and interest policy moderates the relationship between performance and stock prices.
THE INFLUENCE OF LEADERSHIP, MOTIVATION, ORGANIZATIONAL CULTURE, LECTURER COMPETENCE ON LECTURER PERFORMANCE WITH LECTURER DISCIPLINE AS INTERVENING Nurmawati, Nurmawati; Assagaf, Aminullah; Sukiman, Susanto
IJEBD (International Journal of Entrepreneurship and Business Development) Vol 7 No 1 (2024): January 2024
Publisher : LPPM of NAROTAMA UNIVERSITY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29138/ijebd.v7i1.2640

Abstract

Objectives: (1) Analyze the influence of leadership, motivation, organizational culture, lecturer competence on lecturer discipline (2) Analyze the influence of leadership, motivation, organizational culture, lecturer competence, lecturer discipline on lecturer performance Design/methodology/approach: This study uses a quantitative approach by distributing questionnaires by sampling. The research data were analyzed using multiple regression Findings: The results showed that (1) leadership correlated significantly very low with lecturer performance of 31.9% (2) lecturer motivation correlated significantly very strongly with lecturer performance of 80.2% (3) organizational culture correlated significantly very strongly with lecturer performance of 78.3% (4) lecturer competence correlated significantly strong with lecturer performance of 56.3%. Practical Implications: This research includes several things, including the lack of optimal discipline and performance of lecturers in carrying out the tridharma of higher education.
Co-Authors Ahsan, Mohammad Albab, Eric Ulul Alvy Mulyaning Tyas Anggrainy Putri Ayuningrum Arna Suryani, Arna Asi, Yuli Sintha Asmadillah, Fifin Destami, Gina Dery Eddy Yunus Elfiswandi, Elfiswandi Fadjar Kurnia Hartati, Fadjar Kurnia Ismail, Shafinar Jajuk Suprijati Lusiana Lusiana Meithiana Indrasari, Meithiana Mira Yona Nur Sayidah Nurmawati Nurmawati Putri Septi Naulina Hasibuan Rinto Harno Rojuaniah Rojuaniah Rudianto, Setiawan Eko Santika, Syahira Dwi Sari, Laynita Shanty Ratna Damayanti Siti Marwiyah Slamet Riyadi SRI HANDINI Sri Langgeng Ratnasari SRI UTAMI ADY Sukesi . Sukiman, Susanto Suyanto Suyanto Suyanto Tampubolon, Liosten R. R. Ully tanjung, rona Ulul Albab, Ulul Yulianita, Lailatul Zainal Muttaqin Zefriyeni, Zefriyeni