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All Journal Journal of Science and Education (JSE) KAFEBIS
Harahap, Nirmala Haty
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Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Economics, Econometrics & Finance Education Engineering Languange, Linguistic, Communication & Media Mathematics Physics

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Blockchain-Based Optimization of Raw Material Inventory: Enhancing Efficiency in Salak Sidimpuan Agricultural Production Pulungan, Ahmad Suyuti; Harahap, Nirmala Haty; Idris, Iswandi
Journal of Science and Education (JSE) Vol. 5 No. 2 (2025): Journal of Science and Education (JSE)
Publisher : CV. Media Digital Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58905/jse.v5i2.411

Abstract

Blockchain technology has emerged as a revolutionary tool in supply chain management, offering enhanced transparency, security, and efficiency. This study explores the implementation of blockchain technology to optimize raw material inventory management in Salak Sidimpuan agricultural production. Using data from farmers and cooperatives, the research analyzes the impact of blockchain on production efficiency, leveraging a PLS-SEM model for statistical analysis. Results indicate a significant improvement in inventory efficiency, leading to reduced costs and improved trust among stakeholders. The findings suggest blockchain as a viable solution for transforming traditional agricultural supply chains.
Strategi Telemarketing yang Efektif: Analisis Pengaruhnya terhadap Minat Beli Mobil Hino di PT Indo Mobil Prima Niaga Yusditara, Wisnu; Nurdelila; harahap, Nirmala Haty
Jurnal KAFEBIS Vol. 3 No. 1 (2025): Jurnal Kajian Fenomena Ekonomi & Bisnis
Publisher : Universitas HKBP Nommensen

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Abstract

Telemarketing, as one of the marketing communication methods, plays a crucial role in product introduction and fostering customer relationships in the era of advancing communication technology. This study aims to analyze the effectiveness of telemarketing as a marketing strategy at PT Indo Mobil Prima Niaga and the role of telemarketing in supporting after-sales services at PT Hino Motors Sales Indonesia. The research employs a descriptive qualitative approach, collecting data through interviews and observations. The findings reveal that telemarketing functions not only as a tool for sales promotion but also as an interactive communication medium that enhances customer satisfaction and loyalty. This research contributes to a better understanding of the importance of telemarketing in developing effective and sustainable marketing strategies in the automotive sector.
PENGARUH BUDAYA ORGANISASI, WORK DISCIPLINE TERHADAP EMPLOYEE PERFORMANCE PADA DINAS PENANAMAN MODAL DAN PELAYANAN TERPADU SATU PINTU KOTA PADANGSIDIMPUAN Yusditara, Wisnu; harahap, Nirmala Haty; Nurdelila
Jurnal KAFEBIS Vol. 1 No. 1 (2023): Jurnal Kajian Fenomena Ekonomi & Bisnis
Publisher : Universitas HKBP Nommensen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51622/kafebis.v1i1.1993

Abstract

This study aims to determine the influence of Organizational Culture and Work Discipline on Employee Performance at the Investment and One-Stop Integrated Services Department in Padangsidimpuan City. The analysis method used is multiple linear regression processed with SPSS version 24. The results of the research show that Organizational Culture and Work Discipline have a significant effect on Employee Performance with a significance value of each variable being 0.045 and 0.000, respectively. The regression coefficient for Organizational Culture is 0.567 and for Work Discipline is 0.334, indicating that Organizational Culture has a greater influence than Work Discipline in improving Employee Performance. In addition, the F test gives an F-count value of 65.245 with a significance of 0.000, indicating that Organizational Culture and Work Discipline simultaneously influence Employee Performance. Further analysis shows that 81.8% of the variability of Employee Performance can be explained by these two variables, while the rest is influenced by other factors not discussed in this research. These findings reinforce the hypothesis that Organizational Culture and Work Discipline significantly affect Employee Performance.
PENGARUH KEMAMPUAN KERJA PEGAWAI DALAM MENCAPAI TUJUAN ORGANISASI PADA DINAS PEKERJAAN UMUM DAN PENATAAN RUANG KOTA PADANGSIDIMPUAN Yusditara, Wisnu; harahap, Nirmala Haty; Nurdelila
Jurnal KAFEBIS Vol. 2 No. 1 (2024): Jurnal Kajian Fenomena Ekonomi & Bisnis
Publisher : Universitas HKBP Nommensen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51622/kafebis.v2i1.2353

Abstract

This study aims to measure the extent to which employee work competence influences the achievement of organizational goals at the Department of Public Works and Spatial Planning in Padangsidimpuan City. The research approach used was quantitative descriptive method with techniques such as correlation analysis, simple linear regression, hypothesis testing (t-test), F-test (simultaneous), and coefficient of determination (R2). The results of the correlation analysis showed a correlation coefficient of 0.509 between variable X (employee work competence) and variable Y (achievement of organizational goals). The calculation of the regression coefficient yielded a constant coefficient of 2.894 and a coefficient for the independent variable (X) of 0.169, resulting in the regression equation Y = 2.894 + 0.169X. The t-test yielded a computed t-value of 3.597, exceeding the tabulated t-value of 2.010, and a significance level (sig) of 0.012, which was lower than 0.05. The F-test yielded a computed F-value of 12.705 and a significance level (sig) of 0.000. Comparing this with the tabulated F-value of 4.05, it can be concluded that the hypothesis is accepted. The coefficient of determination (R2) was found to be 0.428, indicating that 42.8% of the variation in the achievement of organizational goals can be explained by employee work competence. The remaining 57.2% is influenced by other variables not included in this study. In conclusion, this study establishes that employee work competence has a positive and significant influence on the achievement of organizational goals at the Department of Public Works and Spatial Planning in Padangsidimpuan City, accounting for 42.8% of the variance.
Co-Authors Iswandi Idris Nurdelila Pulungan, Ahmad Suyuti Yusditara, Wisnu