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All Journal EKOMBIS REVIEW: Jurnal Ilmiah Ekonomi dan Bisnis Al Qalam: Jurnal Ilmiah Keagamaan dan Kemasyarakatan IKRA-ITH EKONOMIKA Jurnal Telematika Majalah Ilmiah Bijak Dinasti International Journal of Education Management and Social Science Journal of Economics and Business UBS International Journal of Environmental, Sustainability, and Social Science Devotion: Journal of Research and Community Service International Journal of Social Service and Research Indo-MathEdu Intellectuals Journal Indonesian Journal of Multidisciplinary Science Journal Of World Science Jurnal Locus Penelitian dan Pengabdian Return : Study of Management, Economic and Bussines Journal of Management Studies and Development Journal Research of Social Science, Economics, and Management Cerdika: Jurnal Ilmiah Indonesia Eduvest - Journal of Universal Studies Jurnal Ekonomi, Teknologi dan Bisnis Amkop Management Accounting Review (AMAR) IIJSE
Sibarani, Mentiana
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Aerospace Engineering Humanities Astronomy Automotive Engineering Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Mathematics Mechanical Engineering Neuroscience Public Health Social Sciences Other

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Analysis of the Influence of Liquidity, Solvency, and Interest Rates on Company’s Return on Assets Sabiantoro, Mastuti; Sibarani, Mentiana
Dinasti International Journal of Education Management And Social Science Vol. 6 No. 5 (2025): Dinasti International Journal of Education Management and Social Science (June
Publisher : Dinasti Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38035/dijemss.v6i5.4647

Abstract

This study aims to analyze the influence of liquidity, solvency, and interest rates on Return on Assets (ROA) in conventional banks listed in the Infobank15 index during the period 2019–2023. In the context of economic dynamics caused by the COVID-19 pandemic and changes in monetary policy, this research adopts a quantitative approach using panel data regression and the Seemingly Unrelated Regression (SUR) estimation method. The results show that, partially, the Capital Adequacy Ratio (CAR) and interest rates have a positive and significant effect on ROA, while the Current Ratio (CR) has no significant effect. Simultaneously, the three independent variables are proven to significantly influence ROA. These findings provide important implications for bank management, regulators, and investors in formulating strategies to enhance profitability and stability in Indonesia's banking sector.
Analysis Of Customer Relationship Management (CRM) Implementation On Student Satisfaction And Loyalty At Tutoring X Kurniawan, Yohanes; Sibarani, Mentiana
EKOMBIS REVIEW: Jurnal Ilmiah Ekonomi dan Bisnis Vol 13 No 3 (2025): Juli
Publisher : UNIVED Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37676/ekombis.v13i3.7295

Abstract

This study investigates the impact of Customer Relationship Management (CRM) implementation on student satisfaction and loyalty at Bimbingan Belajar X, a leading tutoring center in Indonesia. Despite its established reputation, the institution faces challenges such as low student retention rates and a lack of long-term commitment. Analysis indicates that only 40% of students maintain loyalty, significantly below the desired 75% target. The study identifies a trend where many students enroll primarily for short-term, exam-oriented preparation rather than continuous tutoring. To address these issues, the research emphasizes the importance of strengthening customer relationships through effective CRM strategies. By leveraging modern technology, including e-learning platforms and personalized learning systems like Item Response Theory (IRT), Bimbingan Belajar X can enhance communication, provide tailored learning experiences, and foster stronger connections with students. The findings suggest that improved CRM practices are crucial for increasing student satisfaction and loyalty, which are essential for maintaining a competitive edge in the increasingly competitive education sector. Without innovation and adaptation to evolving market demands, Bimbingan Belajar X risks losing its prominent position in the educational landscape.
Analisis Kepemimpinan Transformasional Terhadap Kinerja Karyawan Di Departemen Procurement Pt. X Sutrisno, Sutrisno; Sibarani, Mentiana
Jurnal Locus Penelitian dan Pengabdian Vol. 4 No. 7 (2025): JURNAL LOCUS: Penelitian dan Pengabdian
Publisher : Riviera Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58344/locus.v4i7.4515

Abstract

Leadership is one of the key factors determining the success of an organization. Leaders who lack the ability to guide and direct their teams effectively often fail to achieve organizational goals. This can lead to low productivity and efficiency within the company. Therefore, it is essential for organizations to have quality leaders who can inspire and motivate employees to work optimally. This study aims to analyze the impact of transformational leadership on employee performance in the Procurement Department of PT X, a pulp and paper manufacturing company. The Procurement Department plays a strategic role in supporting production continuity through the procurement of goods and services, including the conversion of Purchase Requests (PR) into Purchase Orders (PO). This research employs a quantitative approach with a survey method targeting employees in the department. Data analysis was conducted using simple linear regression manually to examine the relationship between leadership style and employee performance. The findings of this study are expected to contribute to the development of effective leadership strategies to improve individual and organizational performance.
The Influence of Competence and Organizational Culture on Employee Performance at PT PLN (Persero) Maluku and Papua Development Main Unit Siahaan, Mario Iriando; Sibarani, Mentiana
Amkop Management Accounting Review (AMAR) Vol. 5 No. 1 (2025): January - June
Publisher : Sekolah Tinggi Ilmu Ekonomi Amkop Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37531/amar.v5i1.2926

Abstract

This study investigates the influence of competence and organizational culture on employee performance at PT PLN (Persero) Unit Induk Pembangunan Maluku dan Papua. Adopting a quantitative research design, data were collected from 71 employees using a structured questionnaire, selected through proportionate stratified random sampling. The analysis was conducted using multiple linear regression with the help of SPSS software. The results reveal that both competence and organizational culture significantly influence employee performance, both partially and simultaneously. Competence, as reflected in employees’ knowledge, skills, and attitudes, positively impacts performance by enhancing work quality and individual contribution. Meanwhile, organizational culture, characterized by shared norms, values, and beliefs, fosters a cohesive and productive work environment that supports improved employee performance. The study concludes that improving employee competence and cultivating a supportive organizational culture are key to optimizing employee output and organizational success. These findings provide valuable insights for human resource development strategies within state-owned infrastructure enterprises.
Development of a Red Flag Detection Model in Daily Operations Using a Combination of Rule-Based Approach and Logistic Regression at Terminal Coffee Malsad, Gredinov Sumanta; Sibarani, Mentiana
Amkop Management Accounting Review (AMAR) Vol. 5 No. 1 (2025): January - June
Publisher : Sekolah Tinggi Ilmu Ekonomi Amkop Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37531/amar.v5i1.2927

Abstract

This study develops an early warning system for detecting operational anomalies (red flags) in the food and beverage industry, specifically for businesses lacking historical fraud data, using Terminal Coffee as a case study. The system integrates rule-based methods and logistic regression, combining classification logic and probabilistic prediction. The initial stage applies a rule-based approach by setting statistical thresholds (mean ± standard deviation) for eight operational indicators, including COGS ratio, electricity cost, average items and sales per transaction, and discount-to-sales ratio. From a total of 1,449 shift-level observations collected over one year, 436 (30.09%) were classified as red flags. These classifications were then used as the dependent variable in a binary logistic regression model. The estimation results identified four statistically significant predictors (p < 0.05): COGS per item, average sales per transaction, average sales per item, and discount ratio. The final model demonstrated strong classification performance, with 92% accuracy, 83% sensitivity, 95.3% specificity, 86.7% precision, and an AUC of 0.957—indicating excellent discriminatory ability. These findings suggest that combining rule-based logic and logistic regression effectively builds a reliable and adaptive early warning system for operational monitoring, even in the absence of historical fraud records. The proposed system is applicable for integration into managerial dashboards as a data-driven decision support tool to facilitate proactive, objective, and timely interventions in daily operational oversight. Key Words : red flags, rule-based, logistic regression, anomaly detection, early warning system.
The Influence of Transformational Leadership, Job Satisfaction, and Burnout on Turnover Intention among Gen-Z Employees in Start-Up Companies in Indonesia RAKHMAT, Ryan Kharisma; SIBARANI, Mentiana
International Journal of Environmental, Sustainability, and Social Science Vol. 6 No. 4 (2025): International Journal of Environmental, Sustainability, and Social Science (Jul
Publisher : PT Keberlanjutan Strategis Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38142/ijesss.v6i4.1489

Abstract

This study investigates the influence of transformational leadership, job satisfaction, and burnout on turnover intention among Generation Z employees in Indonesian start-up companies. Utilizing a quantitative research approach with 150 respondents from fintech, e-commerce, and logistics start-ups in Jakarta and Bandung, data were analyzed using Partial Least Squares Structural Equation Modeling (PLS-SEM). The findings reveal that transformational leadership significantly enhances job satisfaction and reduces burnout, but it does not directly affect turnover intention. Burnout significantly increases turnover intention, while job satisfaction does not serve as a significant mediator in the relationship between transformational leadership or burnout and turnover intention. These results highlight burnout as a critical factor driving employee turnover and suggest that leadership strategies alone are insufficient to retain Gen Z talent. The study underscores the importance of addressing emotional well-being, work-life balance, and organizational support systems to mitigate turnover in high-pressure start-up environments.
Pengaruh Suku Bunga Acuan dan Dana Pihak Ketiga (DPK) Perbankan Terhadap Dana Kelolaan (AUM) Reksa Dana Bersifat Terbuka (Open End Fund) Periode 2020 -2024 Sejati, Shandi Setya; Sibarani, Mentiana
Indo-MathEdu Intellectuals Journal Vol. 6 No. 5 (2025): Indo-MathEdu Intellectuals Journal
Publisher : Lembaga Intelektual Muda (LIM) Maluku

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54373/imeij.v6i5.3821

Abstract

This study investigates how monetary policy dynamics icy and the growth of banking third party funds (DPK) which are thought to affect the assets under management (AUM) of open-ended mutual funds for the 2020-2024 period. The theoretical foundation discusses three main variabels: AUM of open-ended mutual funds as the dependent variabel, and benchmark interest rates and bank deposits as independent variabels. This research uses a quantitative approach with multiple linear regression methods, utilizing monthly secondary data from Bloomberg, Bank Indonesia, and the Financial Services Authority (OJK). Classical assumption tests include normality, multicollinearity, and heteroscedasticity tests, followed by the F test, t test, and coefficient of determination (R²) test. The results of the analysis show that the benchmark interest rate has no significant effect on the AUM of open-ended mutual funds partially, while the Third Party Fund of banks has a significant negative effect. Simultaneously, both have an effect on the dependent variabel, with bank Third Party Funds showing greater dominance than the benchmark interest rate in influencing changes in AUM. This study concludes that the strategies of investment managers and regulators need to be directed at strengthening literacy, product innovation, and the synergy of banking-capital market sector policies so that the mutual fund industry can develop more optimally in Indonesia.
Analysis of Factors Influencing Purchase Decisions on Tokopedia in Bandung City Cristalia Gomies, Vieren; Sibarani, Mentiana
Devotion : Journal of Research and Community Service Vol. 5 No. 8 (2024): Devotion: Journal of Community Research
Publisher : Green Publisher Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59188/devotion.v5i8.788

Abstract

This study aims to analyze the factors that influence consumer purchasing decisions on the Tokopedia e-commerce platform in Bandung City. The factors evaluated include product quality, price, platform ease of use, consumer trust, promotion, and customer service. This research uses a quantitative approach with a survey method distributed to consumers in Bandung City who have made purchases on Tokopedia. The data were analyzed using multiple linear regression to determine the effect of each factor on purchasing decisions. The results showed that product quality, price, and consumer trust have a significant influence on purchasing decisions, while other factors such as ease of use of the platform, promotions, and customer service have a lower but still important influence. The findings provide insights for e-commerce players in improving marketing and operational strategies to attract more consumers.
Analisis Kontribusi Pendapatan Obyek Wisata Kawasan Luar Pura Uluwatu Terhadap Kemandirian Fiskal Pemerintahan Desa Adat Pecatu Suwindu, I Wayan; Sibarani, Mentiana
Indo-MathEdu Intellectuals Journal Vol. 6 No. 6 (2025): Indo-MathEdu Intellectuals Journal
Publisher : Lembaga Intelektual Muda (LIM) Maluku

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54373/imeij.v6i6.3836

Abstract

This research aims to analyze the contribution of four main sources of revenue, namely ticket fees, parking, pre-wedding permits, and profit sharing from the Kecak Dance performance managed through the Uluwatu Temple Tourism Area, to the fiscal independence of Pecatu Traditional Village. The research approach uses quantitative methods with descriptive and associative designs, based on secondary data from financial reports over ten years (2015–2024). The results indicate that revenue from the Uluwatu Temple Tourism Area significantly contributes to the Original Income of Pecatu Traditional Village (PAD), with an average contribution of 67.39% of the village's total revenue each year. Retribution tickets have become the dominant contributor, followed by parking revenue, pre-wedding permits, and Kecak Dance, which show a stable growth trend and support the diversification of village income. Fiscal independence indicators, such as the ratio of Local Own Revenue (PAD) to total village income, the effectiveness of village spending, and the ability to finance programs without external funds, consistently remain in the high category. These findings support the theories of Local Revenue Generation, Revenue Diversification, and Community-Based Tourism (CBT), which emphasize the importance of empowering local communities, strengthening village institutions, and managing tourism assets based on local wisdom. Strategies to strengthen the institution of the Management Agency, the implementation of ticket and parking digitalization, and integrated promotion of pre-wedding tourism potential are key supporting factors for the sustainability of village income.  
Analisis Pengaruh Kualitas Pelayanan Kepolisian Terhadap Kepuasan Masyarakat di Polres Pegunungan Bintang Cakradini, Rudy; Sibarani, Mentiana
Indo-MathEdu Intellectuals Journal Vol. 6 No. 5 (2025): Indo-MathEdu Intellectuals Journal
Publisher : Lembaga Intelektual Muda (LIM) Maluku

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54373/imeij.v6i5.3876

Abstract

The quality of police services is a crucial factor in building public trust in law enforcement institutions. The Pegunungan Bintang District Police (Polres Pegunungan Bintang), as a public service institution in a border area, faces unique challenges in delivering excellent service to the community. This study aims to determine the level of public satisfaction with police services at Polres Pegunungan Bintang. A quantitative approach is employed, with data collected through questionnaires distributed to community members who have received police services. The collected data will be analyzed to measure and evaluate the quality of services provided. The SERVQUAL method, which consists of five dimensions tangibles, reliability, responsiveness, assurance, and empathy will be used as a framework for evaluating service quality and will be further elaborated once the data on public satisfaction is obtained. The data analysis used in this research is multiple linear regression. The results of this study are expected to provide input for Polres Pegunungan Bintang in formulating strategies for continuous improvement in public service quality.
Co-Authors Abraham Enga Tifaona, Ignatius Alfian Alfian Bala Tifaona, Alexander Benedictus Busono, Bibin Cakradini, Rudy Cristalia Gomies, Vieren Damayanti, Eka Ari Dewantara, Doni Pranata Evasaria Magdalena Sipayung, Evasaria Magdalena Hardinata, Kenny Heriana, Ferra Heryanto Soegieharto, Dhany Heryanto, Dhany HIDAYATULLAH, ARIEF Indro Prasojo, Aryo Kurniawan, Yohanes Malsad, Gredinov Sumanta Mulyani, Lenny Mutia, Ajeng Fitriani Napitupulu, Dongani Nawasari, Nawasari Ponikasari, Ponikasari Posma Sariguna Johnson Kennedy Rahmat, Damianus Tulus RAKHMAT, Ryan Kharisma Ramauli, Juliana Roland Y.H. Silitonga Roni, Roni Sabiantoro, Mastuti Sampurno, Mahendra Dita Samsul Bahri, Ronny Sariguna Johnson Kennedy , Posma Sejati, Shandi Setya Siahaan, Mario Iriando Silitonga, Roland Y. H. Sirait, Tongam Suhari, Budi Supratman, Deny Suryaatmadja, Lambok Sutrisno, Sutrisno Suwindu, I Wayan Tarigan, Joshua Michael Servilo Usamah Usamah, Usamah V. H., Christopher G. Vico, Julyas Waani, Jane Deasy Widadi, William Rusly Yotapditya, Igor Zefanya, Anastasia