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All Journal Saintia Matematika SITEKIN: Jurnal Sains, Teknologi dan Industri Jurnal Sains Matematika dan Statistika Edumatsains Sinkron : Jurnal dan Penelitian Teknik Informatika Jurnal Masharif al-Syariah: Jurnal Ekonomi dan Perbankan Syariah Desimal: Jurnal Matematika Zero : Jurnal Sains, Matematika, dan Terapan International Journal of Supply Chain Management JOURNAL OF SCIENCE AND SOCIAL RESEARCH MABIS: Manajemen dan Bisnis Jurnal Manajemen dan Bisnis MES: Journal of Mathematics Education and Science Proximal: Jurnal Penelitian Matematika dan Pendidikan Matematika Jurnal Ilmiah Manajemen Kesatuan Jurnal Ilmiah Akuntansi Kesatuan Jurnal Penelitian Ekonomi Akuntansi (JENSI) ASSET: Jurnal Manajemen dan Bisnis Jurnal Suluh Pendidikan Journal of Research in Mathematics Trends and Technology Jurnal Ekonomi Bisnis, Manajemen dan Akuntansi (JEBMA) FARABI: Jurnal Matematika dan Pendidikan Matematika Jurnal Manajemen dan Bisnis International Journal of Educational Review, Law And Social Sciences (IJERLAS) International Journal of Economic, Business, Accounting, Agriculture Management and Sharia Administration (IJEBAS) Jurnal Akutansi Manajemen Ekonomi Kewirausahaan (JAMEK) International Journal of Social Science, Educational, Economics, Agriculture Research, and Technology (IJSET) MATHunesa: Jurnal Ilmiah Matematika Journal of Mathematics Technology and Education Asian Journal of Management Analytics ARZUSIN: Jurnal Manajemen dan Pendidikan Dasar Return : Study of Management, Economic and Bussines Multiverse: Open Multidisciplinary Journal International Conference on Health Science, Green Economics, Educational Review and Technology (IHERT) Innovative: Journal Of Social Science Research Benefit : Journal of Bussiness, Economics, and Finance Enrichment: Journal of Multidisciplinary Research and Development Neraca: Jurnal Ekonomi, Manajemen dan Akuntansi Jurnal Arjuna : Publikasi Ilmu Pendidikan, Bahasa dan Matematika Journal of Business Management Neraca Manajemen, Akuntansi, dan Ekonomi Cendikia Pendidikan Journal Business Administration (JBA): Entrepreneurship and Creative Indutry Algoritma: Jurnal Matematika, Ilmu Pengetahuan Alam, Kebumian dan Angkasa International Journal of Economics, Accounting, and Management Management of Education: Jurnal Manajemen Pendidikan Islam Harmoni Economics: International Journal of Economics and Accounting
Parapat Gultom
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The Effect of Work Discipline, Motivation, and Work Stress on Employee Job Satisfaction Gultom, Parapat; Sipayung, Aquinaldo Boyfame R.; Hasibuan, Gamal Ali Akbar
Jurnal Ilmiah Akuntansi Kesatuan Vol. 12 No. 5 (2024): JIAKES Edisi Oktober 2024
Publisher : Institut Bisnis dan Informatika Kesatuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37641/jiakes.v12i5.2848

Abstract

This research was conducted with the aim of paying attention to how human resource control, planning processes, organizing, staff placement, direction and control are needed. This research focuses on the influence variables of discipline, work motivation, work stress which are then used to assess employee job satisfaction. The research method carried out used quantitative methods with a population of all employees at PTPN III. The type of data available is primary data. Sample data with 26 questionnaire questions was collected on Google Forms media. Data processing uses descriptive statistical test techniques, multiple linear regression tests, coefficient of determination tests, f tests, t tests, and Moderate Regression Analysis (MRA) tests. Data processing shows work discipline has a significant effect on job satisfaction, while work motivation and work stress do not have a significant effect on job satisfaction. The work environment is able to moderate the relationship between the influence of work discipline on job satisfaction. The work environment is unable to moderate the relationship between the influence of work motivation on job satisfaction. The work environment is able to moderate the relationship between the influence of work stress on job satisfaction.
Penerapan Teori Permainan dalam Menentukan Strategi Pemasaran Optimum pada Produk Mi Instan (Mie Sedaap, Gaga, dan Supermi) di Lingkungan Mahasiswa Matematika Universitas Sumatera Utara Miftah Khairani; Muhammad Romi Syahputra; Parapat Gultom; Mardiningsih Mardiningsih
Algoritma : Jurnal Matematika, Ilmu pengetahuan Alam, Kebumian dan Angkasa Vol. 2 No. 6 (2024): Algoritma : Jurnal Matematika, Ilmu pengetahuan Alam, Kebumian dan Angkasa
Publisher : Asosiasi Riset Ilmu Matematika dan Sains Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62383/algoritma.v2i6.271

Abstract

Instant noodle consumption in Indonesia has continued to increase in the last few years, which indicates that there are more business opportunities for instant noodle products in Indonesia. Proved by the number of instant noodle brands scattered on the market. This has led to increased competition among companies in order to be the best in the eyes of consumers. Marketing strategies are needed to win competition as well as increase sales, ranging from taste innovations, prices, product quality, promotions, and so on. In this study, game theory is used to investigate the competition between Mie Sedaap, Gaga, and Supermi. Using pure strategy is obtained game value that shows that the optimal strategy for Mie Sedaap is ease of purchase, the optimum strategy for Gaga is packaging strategy, and the optimum strategy for Supermi is price strategy.
Pengaruh Profitabilitas, Ukuran Perusahaan, dan Leverage Terhadap Earnings Management Dengan GCG Sebagai Pemoderasi Siti Nurhaliza; Mhd Reza Irjaldi Hasibuan; Parapat Gultom
Jurnal Akutansi Manajemen Ekonomi Kewirausahaan (JAMEK) Vol 5 No 1 (2025): Edisi Januari 2025
Publisher : Forum Kerjasama Pendidikan Tinggi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47065/jamek.v5i1.1657

Abstract

This study aims to analyze the influence of profitability, firm size, and leverage on earnings management with Good Corporate Governance (GCG) as a moderating variable in manufacturing companies during 2020. Using purposive sampling method, this study analyzed 72 manufacturing companies listed on the Indonesia Stock Exchange. Earnings management was measured using Discretionary Accruals with Modified Jones Model, while GCG was proxied through the proportion of independent commissioners and institutional ownership. The results show that profitability and firm size have a significant positive effect on earnings management, while leverage has a significant negative effect. GCG effectively moderates the relationship between the three independent variables and earnings management, with the strongest moderating effect on the profitability-earnings management relationship. These findings indicate the importance of strengthening GCG mechanisms in mitigating earnings management practices, especially during the Covid-19 pandemic crisis.
Implementasi Teori Permainan dalam Penentuan Strategi Pemasaran Produk Roti (Studi Kasus: Toko Roti Kecamatan Medan Selayang) Pujiana, Perli; Gultom, Parapat
Jurnal Sains Matematika dan Statistika Vol 11, No 1 (2025): JSMS Januari 2025
Publisher : Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/jsms.v11i1.29557

Abstract

Penelitian ini bertujuan untuk mengetahui strategi pemasaran produk roti yang tepat dan menghasilkan keuntungan yang optimum dengan menggunakan Teori Permainan. Data yang digunakan adalah primer yang diperoleh kuesioner dengan cara menggunakan kuesioner. Penelitian ini menggunakan tiga players yang akan diteliti yaitu Aroma Bakery & Cake Shop, France Bakery dan Mawar Bakery & Cake Shop. Adapun strategi (variabel) yang akan diteliti yaitu: strategi variasi roti (x1), strategi kualitas produk (x2), strategi harga produk terjangkau (x3), strategi harga produk lebih murah (x4), strategi lokasi strategis (x5),  strategi promosi online (x6). Berdasarkan penelitian yang telah dilakukan dapat disimpulkan bahwa strategi yang harus digunakan oleh Aroma bakery adalah strategi lokasi strategis (x5), France bakery menggunakan strategi harga produk lebih murah (x4) dan Mawar bakery menggunakan strategi kualitas produk (x2) agar masing-masing toko roti memperoleh keuntungan yang maksimum.
Model for Working Capital Management of Micro, Small and Medium Enterprises in Indonesia by Using Multiple Objective Stochastic Programming Gultom, Parapat; Widyasari, Rina; Suyanto; Marpaung, Jonathan Liviera
Journal of Research in Mathematics Trends and Technology Vol. 5 No. 2 (2023): Journal of Research in Mathematics Trends and Technology (JoRMTT)
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jormtt.v5i2.15937

Abstract

Micro, small and medium enterprises (MSME) have a big influence for the economy in Indonesia. But almost of this company don’t have an optimal working capital management because less knowledge and limitation of financial not only from the owner but also financial credit from bank. Working capital management plays an important role in the success or failure of a company its business activities. To achieve optimal use of working capital management managers the company must accurately control the trade-off between profitability and liquidity. The purpose of this research is to develop a model of working capital management where the sales are under uncertainty and the company has a limit financial. This study was tested using multiple linear regression analysis to see the correlation between profitability and liquidity with x1, x2, x3, x4, and x5 then find optimal solution by stochastic multi objective programming because we consider that sales is in under certainty. The main variables used in the analysis of return on assets to measure profitability, receivable turnover to measure liquidity, inventory turnover, accounts payable days, cash conversion. The results showed that account payable, inventory turnover, and cash turn over have a positive correlation for liquidity but inventory turnover and cash turnover have negative correlation to profitability.
Location Models with Multy Criterious Networks (Case Study: The Industrial of Rice Processing in The Batubara District) Gultom, Parapat; Nababan, Esther Sorta Mauli; Marpaung, Jonathan Liviera
Journal of Research in Mathematics Trends and Technology Vol. 4 No. 2 (2022): Journal of Research in Mathematics Trends and Technology (JoRMTT)
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jormtt.v4i2.16121

Abstract

Determining location is a problem encountered in many areas of everyday life. Determining this location becomes complex when many factors are taken into consideration, where one factor and another can conflict. One of the issues that will be discussed in this research is determining the location of the rice processing industry. This problem needs to be studied considering that the opportunity to establish a rice industry in several regions in Indonesia is very high considering that the potential for the main raw material (rice) is very large, as is the rice market where the largest population of the Indonesian nation makes rice the main food ingredient. The case study that will be discussed in this research is the rice processing industry in Batu Bara Regency. Batu Bara Regency is one of the districts/cities in North Sumatra Province which has enormous rice potential. In order to improve the welfare of farmers and provide good quality rice for the community, a Rice Processing Industry is needed. The problem in the rice processing industry is very complex, apart from the seasonal availability of rice raw materials, is the location where the rice processing factory is located. Various criteria need to be considered in this determination relating to the distance of the rice processing industry factory to each source of the main raw material (rice). Determining this location is very complex because it involves multiple criteria. This research will provide a location determination model using a Multi Criteria Network. The criteria used to determine the location of the rice processing industry in Batu Bara Regency are the transportation distance from the raw material center, travel time, and the condition of the road connecting the raw material center to the factory location. Based on the criteria for distance between rice centers and rice processing industrial factories, a route with a total minimum distance score of 0.71 is obtained. Meanwhile, based on travel time, the best route was obtained with a minimum total time score of 1.61. Based on the quality of the road taken, the best route was obtained with a maximum total score of 0.25. By considering the three criteria, the best route was obtained with a total optimum score of 2.96.
Application of the Fuzzy Mamdani Method to Predict the Number of Customers Based on the Weather and Holidays in a Simple Restaurant on Abdul Hakim Street Gultom, Parapat; Thianujaya, Wendy Thianujaya; Sirait, Annisa Hidayati; Kristian, Abel
Journal of Research in Mathematics Trends and Technology Vol. 6 No. 2 (2024): Journal of Research in Mathematics Trends and Technology (JoRMTT)
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jormtt.v6i2.16642

Abstract

This research aims to optimize marketing strategies in the food industry byapplying the Fuzzy Mamdani method. This approach considers factors such as thenumber of customers, weather conditions, and holidays to forecast the number ofcustomers who will come to a simple restaurant. By using the Fuzzy Mamdanimodel, this research seeks to generate more effective marketing strategies bytaking into account variability in consumer behavior. The results of this researchare expected to help food business owners to optimize their raw material inventorymore precisely, so as to improve operational efficiency and increase customersatisfaction.
Analysis of Estimated Electricity Consumption of Medan City in 2024-2028 Using Fuzzy Mamdani Logic Gultom, Parapat; Thianujaya, Wendy
Journal of Research in Mathematics Trends and Technology Vol. 5 No. 1 (2023): Journal of Research in Mathematics Trends and Technology (JoRMTT)
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jormtt.v5i1.16869

Abstract

This research employs fuzzy linear programming with Mamdani fuzzy logic to predict electricity consumption in Medan City. Data from the Central Statistics Agency (BPS) for the years 2019-2023, including population, electricity customers, Gross Regional Domestic Product (PDRB), and electricity consumption, were analyzed quantitatively. Data processing involved fuzzification, rule formation, rule composition, and defuzzification, with simulations and testing conducted using MATLAB software. The research findings indicate a forecasting error rate of 1.514%, demonstrating effective performance in predicting electricity consumption. Elasticity analysis reveals that electricity consumption in Medan City is significantly influenced by PDRB, providing crucial insights for future energy planning.
The Influence of Conflict Management, Employee Engagement, and Work-Life Balance on Productivity through Well-Being Saragih, Junawi Hartasi; Siahaan, Elisabet; Gultom, Parapat
Enrichment: Journal of Multidisciplinary Research and Development Vol. 2 No. 9 (2024): Enrichment: Journal of Multidisciplinary Research and Development
Publisher : International Journal Labs

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55324/enrichment.v2i9.218

Abstract

This study analyzes the influence of conflict management, employee engagement, and work-life balance on employee productivity at BPS North Sumatra with employee well-being as a mediating variable. Using a quantitative approach, this study involved 111 BPS Sumatera Utara Province employees through total sampling. Data were collected through questionnaires and analyzed using Structural Equation Modeling (SEM). The results show that conflict management, employee engagement, and work-life balance positively and significantly influence employee productivity, both directly and through the mediation of employee well-being. Employee well-being effectively mediates the influence of all three independent variables on employee productivity. This study provides recommendations for improving employee productivity through effective conflict management, enhanced employee engagement, and optimization of work-life balance.
Analysis of Factors that Affect the Determination of the Rental Value of the Placement of an Automated Teller Machine in Medan City Sembiring, Erwandi Martinus; Siahaan, Elisabet; Gultom, Parapat
Enrichment: Journal of Multidisciplinary Research and Development Vol. 3 No. 1 (2025): Enrichment: Journal of Multidisciplinary Research and Development
Publisher : International Journal Labs

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55324/enrichment.v3i1.349

Abstract

A prevailing phenomenon indicates that government appraisers at the State Asset and Auction Service Office (KPKNL) in Medan still employ conventional methods for the rental valuation of Automated Teller Machine (ATM) placements. This practice contradicts the Decree of the Director General of State Assets Number 547/KN/2022, which mandates the use of the Valuation Component and Survey List (DKPS) model through a desktop valuation approach. Addressing this discrepancy, this study aims to analyze the factors that influence the determination of ATM placement rental values in Medan City, thereby providing a basis for the development of a more objective valuation model.This research utilizes a quantitative approach with multiple regression analysis to identify the influence of variables such as distance to the Central Business District (CBD), transaction year, leased object type, ATM space type, lease period, accessibility, and area designation. The findings reveal that distance to the CBD has a significant negative effect on rental value. Conversely, transaction year, the type of leased object, space type, lease period, and designation as a shopping center or public service area exhibit a positive and significant influence. While accessibility and road type showed a positive correlation, their effects were not statistically significant. The resulting regression model achieved an R-squared value of 96.37%, demonstrating its excellent capability in explaining the variance in rental values.These findings provide a robust empirical foundation for government appraisers to transition to the regulated desktop valuation method. Moreover, the results offer critical insights for ATM owners in optimizing location selection. This study recommends that the significant factors identified be integrated into the DKPS model to enhance the accuracy, efficiency, and consistency of ATM rental valuations at KPKNL Medan, ultimately supporting the financial performance of asset owners.
Co-Authors Abdul Munif Afryantika Pratiwi Aghni Syahmarani Akbar, Andini Alya Nadhira Nur Amanda, Ade Siti Andre Masago Manik Angginun Juwita Sari Anggita Rizki Defiani Hasibuan Apriliza, Yafika Arlina Nurbaity Lubis Arlina Nurbaity Lubis Asima Manurung Asima, Asima Azwar, Nurul Azri Azzahra, Firza Bangun, Yohana Beby Karina Fawzeea Sembiring Binsar Nommensen Hasiolan Nababan Br Ginting, Emmita Br Manalu, Chairi Indani Budi Chandra Chairi Indani Br Manalu Dalimunthe, Ritha F. Deby Nanda Sari Dian Natari Dwi Nurul Aisyah Eko Syafriadi Elikson Damanik Elisabet Siahaan Elly Rosmaini Elvin Juliani Gulo Endah Nurfebriyanti Endang Sulistya Rini Erlina Erlina Esther S. M. Nababan Esther SM Nababan Eunike Al Grea Ezra, Posman Felly Ardan Ferdiansyah, Ronando Firza Azzahra Fitria Khairani Frans Banta Tarigan Ginting, Jean Probosky Ginting, Yoga Gilbert Halasan Sirait Hanafiah, Arif Hardiansyah Hardiansyah Hartini Pratiwi Pane Hasibuan, Gamal Ali Akbar Hasibuan, Syarinah Junianti Hulu, Gracelin Nonifati Humaira, Siti Indah Permata Sembiring Indris Simanungkalit Irmayanti Nasution Iskandar Situmorang Ismail Napitupulu Jefri Leo Jonathan Liviera Marpaung Ketaren, Dahlia Rizky Keulana Erwin Khairunnisa Br Manurung Komarudin Komarudin Kristian, Abel Kurniasari, Rini Lestari, Nanda Linna Syahputri Loebis, Roma Ayni A. Mahyuddin K.M. Nasution Manalu, Mawar Winda Manulang, Dea Lonita Mardiningsih Mardiningsih Mardiningsih Maris Stella Sitorus Marpaung, J.L. Matriadi, Faisal Mey Ramayanti Tinambunan Mhd Diky Setiawan Mhd Reza Irjaldi Hasibuan Miftah Khairani Mindasari, Eva Miranda Moudy Fitria Respati Nababan, ESM Nababan, Esther S.M. Nababan, Esther Sorta Mauli Nabilah Faisal, Ananda Najang, Abdullah Natalia, Desy Denada Nazli Ramadhani Lubis Novi Yanti Nur Amalia, Syahamah Nurwijayanti Octavianus, Handy Oka Simatupang Open Darnius paham ginting Paskah Riny Sirait Pratiwi, Annisa Rizki Prihatin Lumbanraja Pujiana, Perli Purba, Titin Miduk Putra, Ramadhan Diansyah Putri Khairiah Nasution Rahmadhina, Namira Mudrikah Rajagukguk, Angie Maretha Ramadhani Fitri Rina Br. Bukit Rita F. Dalimunthe Ritha F. Dalimunthe Ritha F.Dalimunthe Ritonga , Ewy Lady Christin Robby Oksa Cornely Ronny Sung Roy Mulyadi Mardiyos RS, Yoppy Mairizon Ruslin Chaerul Cora Sabariah Sabariah Safira, Moza Sambas Ade Kesuma Saragih, Junawi Hartasi Sarah Madaniah Sartika Ningsih Sawaluddin Sawaluddin Sawaluddin Sawaluddin Sawaluddin, Sawaluddin Sembiring, Erwandi Martinus Sentosa, Ilham Shabrina Tifani Shafira, Meifanny Azri Siagian, Riris Regita Cahyani Siahaan, Elisabet Simanjuntak, Rahmad Simbolon, Miranda Melania Nathasia Sinaga, Hasanah Dwi Putri Sinurat, Rona Lamretta Sipayung, Aquinaldo Boyfame R. Sirait, Annisa Hidayati Siregar, Ahir Diana Putri Siregar, Dwi Faradiba Sitepu, Lia Eriska Br Siti Nurhaliza Siti Raha Agoes Salim Sitompul, Weny Grace Situmorang, Theresa Sisilia Sonya Putri Suherwin Suherwin Sukaria Sinulingga Suryati Sitepu Sutarman Sutarman Sutarman Sutarman Suyanto Suyanto Suyanto Suyanto Suyanto Syafriadi, Eko Syahputra, Muhammad Romi Syahrika Luthfi Syahriol, Syahriol T Khairunnisa Tambunan, Ayu Anggraini Tambunan, Gilbert Pauly Hamonangan Tarigan, Miska Irani Tata Winda Lesmana Thianujaya, Wendy Thianujaya, Wendy Thianujaya Tulus Tulus Tulus Utari, Cutserly Weber, Gerhard Wilhelm Wibisono Wibisono Widyasari, Rina Wulandari, Annisa yeni absah Yohanna Yunitha Simangunsong