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Arman Harahap
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International Journal Of Science, Technology & Management (IJSTM)
Published by CV. Inara
ISSN : -     EISSN : 27224015     DOI : doi.org/10.46729
Core Subject : Science, Education, Agriculture, Engineering,
Aerospace Engineering Agriculture, Biological Sciences & Forestry Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Mechanical Engineering Transportation
International Journal of Science, Technology & Management (IJSTM) is an international scholarly refereed research journal which aims to promote the theory and practice of science, technology, innovation, engineering and management.
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 974 Documents
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The Influence Of Social Media Influencer Marketing (SMIS) Mediated By Credibility On The Purchase Intention Of Kawasaki Ninja ZX-25RR Sport Motorcycles In Indonesia: A Pilot Study Akbar Maulana, Rizky; Indrawati, Indrawati
International Journal of Science, Technology & Management Vol. 6 No. 4 (2025): July 2025
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v6i4.1332

Abstract

The rapid rise of social media has shifted marketing strategies toward influencer-driven promotions, particularly for high-involvement products like sport motorcycles. This study explores how different traits of social media influencers affect people’s intention to buy the Kawasaki Ninja ZX-25RR in Indonesia, with credibility playing a mediating role. The research aims to examine the influence of Social Media Influencer Marketing (SMIs) on purchase intention, using credibility as an intervening variable. The model includes three constructs: SMIs (trustworthiness, likability, expertise, and information quality), credibility, and purchase intention. A pilot test was conducted with 30 respondents who were familiar with both the product and the influencer, Harald Arkan. The instrument, consisting of 3 variables and 20 items, was analyzed using SPSS software. The results showed that all items met the validity threshold (CITC > 0.3) and reliability standard (Cronbach’s Alpha > 0.7). Therefore, the instrument is considered valid and reliable for use in the main study.
Assessing Service Quality, Product Quality, And Brand Image On Repurchase Intention Through Customer Satisfaction At Arunika Restaurant Palembang: A Pilot Study Imanullah, Noorharsy; Indrawati, Indrawati
International Journal of Science, Technology & Management Vol. 6 No. 4 (2025): July 2025
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v6i4.1334

Abstract

In Palembang’s increasingly competitive food and beverage (F&B) industry, customer retention has become a pressing challenge for businesses like Arunika Restaurant. Despite serving over 1,600 customers monthly, the restaurant faces fluctuating sales and limited product differentiation in a market where digital engagement plays a critical role. This study investigates the influence of service quality, product quality, and brand image on repurchase intention, with customer satisfaction as a mediating variable. A pilot test was conducted with 30 Arunika customers using a structured questionnaire distributed via face-to-face interactions and completed through Google Forms. The data were analyzed using SPSS to assess the instrument’s validity and reliability. All items demonstrated Corrected Item Total Correlation (CITC) values above 0.3 and Cronbach’s Alpha values exceeding 0.7 (Indrawati, 2015). Furthermore, loading factors surpassed 0.70, AVE values exceeded 0.50, and Composite Reliability (CR) values ranged from 0.871 to 0.909, confirming strong internal consistency and convergent validity (Hair et al., 2022). These results support the instrument’s suitability for use in further analysis of repurchase behavior in the F&B sector.
The Effect Of Service Quality On Customer Satisfaction, Attitude, And Loyalty Of Pt Pln (Persero) Up3 Rantauprapat Bobby Fadillah, Muhammad; Taufik Hidayah, Riski
International Journal of Science, Technology & Management Vol. 6 No. 4 (2025): July 2025
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v6i4.1335

Abstract

PLN stands for PT Perusahaan Listrik Negara (Persero), which is the largest electricity service provider in Indonesia. PLN is a State-Owned Enterprise (BUMN) that plays an important role in providing electricity to the community and industry throughout Indonesia. Every region in Indonesia has a PLN office that functions to serve every community that is a customer of PLN itself, one of which is in the Rantauprapat area which has a PLN (Persero) UP3 Rantauprapat office with many Customer Service Units (ULP) spread across each region as many as 8 customer service units, namely ULP Tanjung Balai, ULP Simpang Kawat, ULP Aek Kanopan, ULP Aek Kota Batu, ULP Rantauprapat Kota, ULP Aek Nabara, ULP Labuhan Bilik and ULP Kota Pinang and with a total of registered customers as many as. However, behind the large number of customers, there are many complaints submitted by customers of PT PLN (Persero) UP3 Rantauprapat which indicate that PT PLN (Persero) UP3 Rantauprapat provides poor service quality which will affect user satisfaction, attitude and loyalty. The purpose of this study is to determine the quality of service from PT PLN (Persero) UP3 Rantauprapat which is perceived by looking at the quality of service, satisfaction, attitude and loyalty of PT PLN (Persero) UP3 Rantauprapat customers. This study uses a quantitative method using a questionnaire using a google form which is distributed to respondents using a purposive sampling technique. Valid and reliable data from 419 respondents were analyzed using structural equation modeling with the help of SmartPLS 4.1.1.2. The results of the study show that the response from respondents for all dimensions and variables has a very good value. Statistical tests show that the Service Quality variable has a significant positive effect on Satisfaction, the Service Quality variable has a significant positive effect on Loyalty, the Satisfaction variable has a significant positive effect on Attitude, the Satisfaction variable has a significant positive effect on Loyalty, the Satisfaction variable has a significant positive effect on Attitude, the Attitude variable has a significant positive effect on Loyalty. The determination coefficient using R-Square shows that there is an influence of Satisfaction of 82.3% on Attitude, an influence of Service Quality of 78.8% on Loyalty, an influence of Service Quality of 78.5% on Satisfaction. The results of this study suggest to PT PLN (Persero) UP3 Rantauprapat to improve the quality of service to customers as a whole, including standardizing uniforms and official vehicles for each officer who directly interacts with customers and conducting socialization of the reporting flow according to the right field to answer customer needs so that it can improve the assessment of the quality of service provided.
Achieving Business Sustainability Through Financial Literacy And Financial Inclusion In Financial Capital Mediation (A Study On Modern-Based Traditional Markets In Taluk Kuantan) Ruzikna, Ruzikna; Augustin, Jeneva; Kasmiruddin, Kasmiruddin; Suryalena, Suryalena; Fadli, Mashur
International Journal of Science, Technology & Management Vol. 6 No. 4 (2025): July 2025
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v6i4.1336

Abstract

Financial literacy enables MSMEs to adopt financial technology, manage risks effectively, and adapt to market changes, increasing their competitiveness in an increasingly competitive market, especially in the digital era. This study aims to measure the influence of financial literacy, financial inclusion, and financial capital on business sustainability in the modern-based traditional market street vendor sector in Kuantan. This study uses a quantitative approach where primary data is collected through surveys and questionnaires from 77 respondents. Partial Least Square (PLS) statistical techniques are used to process the data. The results confirm the significant influence of financial literacy on business sustainability, both directly and indirectly through financial capital. Furthermore, there is an insignificant influence on business sustainability variables through financial capital. Therefore, there is an influence originating from other variables outside the study. The results also show that the intervening variables here have a significant influence on business sustainability variables. Therefore, it can be concluded that the higher the financial literacy of traditional market street vendors, the better the business sustainability will be.
Short-Circuit Analysis of the Saparua Distribution Feeder Network Mbitu, Elisabeth Tansiana; Jamlaay, Marselin; Sahusilawane, Ferdiaztha Rendy
International Journal of Science, Technology & Management Vol. 6 No. 4 (2025): July 2025
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v6i4.1337

Abstract

Short-circuit faults are a type of disturbance that impedes the transmission of electrical energy. To protect equipment from the impact of such faults, short-circuit analysis is conducted. In this study, the magnitudes of phase-to-phase and phase-to-ground short-circuit currents are calculated, along with the determination of overcurrent relay and circuit breaker ratings on the distribution network of PT PLN Saparua Rayon, Maluku. The analysis is carried out using ETAP software on generator busbars and feeders at various fault locations. PT PLN (Persero) Saparua Rayon operates four feeders: Saparua, Pohar, Tenggara (Southeast), and Hatawano. Simulation results show that the Saparua feeder has the highest fault current at bus 6 under an L-L-G fault condition, while the Tenggara, Hatawano, and Pohar feeders exhibit their highest fault currents at the generator bus under an L-G fault. It is evident that the L-L-G (double line-to-ground) fault consistently generates the highest short-circuit current when compared to other types of faults such as L-L (line-to-line) and three-phase faults. This type of fault involves a direct connection between two phases and the ground, resulting in a larger fault current due to lower overall impedance at the fault point. Furthermore, it was observed that the magnitude of the short-circuit current decreases progressively with increasing distance from the power source. This behavior is primarily due to the increase in line impedance along the distribution path, which naturally limits the fault current as it travels farther from the generation point. In summary, the farther the location of the fault from the generator, the lower the resulting short-circuit current, which highlights the critical role of impedance in fault current behavior across the distribution network.
Strategies for Reducing Heuristic Bias in Investment Decision Making: A Study of Individual Investors Putria, Marissa; Wardoyo, Cipto; Tien Irafahmi, Diana
International Journal of Science, Technology & Management Vol. 6 No. 4 (2025): July 2025
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v6i4.1338

Abstract

This study focuses on what strategies are used to reduce the negative impact of using heuristics in decision making. This study aims to examine in depth the relevant strategies that can be used to reduce heuristic bias in investment decision making, especially among individual investors. Qualitative research method with a case study approach, research data was collected using purposive sampling technique on individual investors who actively invest in the capital market, either through stocks or digital platforms such as online mutual funds and trading applications. The research findings consist of one main theme that is in accordance with the focus of the research, namely strategies to overcome heuristic bias, which includes four sub-themes consisting of systematic evaluation and planning, application of practical strategies and self-discipline, use of guidelines for consistency and objectivity, and training to increase awareness and self-control. The findings contribute to the literature in behavioral finance and financial psychology, especially by expanding the understanding of the self-control mechanisms used by investors in responding to cognitive biases. These findings also support and strengthen prospect theory by adding dimensions of contextual and individual control strategies in responding to investment risk and uncertainty.
Exploratory Analysis and Identification of Factors Challenging Digital Transformation in Bio Farma Group Ananda Muhammad, Rafi; Noviaristanti, Siska
International Journal of Science, Technology & Management Vol. 6 No. 4 (2025): July 2025
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v6i4.1339

Abstract

In the era of Industry 4.0, companies must adapt to remain competitive, including through digital transformation. Bio Farma, a leading vaccine manufacturer in Indonesia and the parent of the state-owned pharmaceutical holding (Bio Farma Group), is undergoing such a transformation. This includes subsidiaries like Kimia Farma, Indofarma, and INUKI. To accelerate this process, Bio Farma established the Directorate of Transformation and Digital to coordinate initiatives across all levels of the organization. This study explores and identifies the main challenges in the company’s digital transformation using a mixed-methods approach with an exploratory sequential design. Data were collected from interviews with five key informants and surveys involving 327 employees across the Bio Farma Group. A combination of qualitative and quantitative analysis, including Confirmatory Factor Analysis (CFA), was used to uncover the core challenges. The findings revealed 13 key factors: digital capability, strategy, technology, organization and culture, digital efficiency, digital readiness, customer focus, digital research, investment perception, operations, collaboration, investment review, and digital priority. These challenges extend beyond technical issues to strategic planning, organizational readiness, cultural alignment, collaboration, and investment evaluation. This research provides a strategic reference for managing digital transformation, particularly for state-owned enterprises in the health sector. The results are expected to support Bio Farma Group in formulating effective policies to enhance digital capabilities, strengthen collaboration, improve efficiency, and ensure sustainable digital development.
ESP32-Based Real-Time Blood Typing Detection for Emergency and Rural Use Stephanus, Alphin; Tansiana Mbitu, Elisabeth; Gazali Suatkab, Syukri; Daus Salamoni, Thenny
International Journal of Science, Technology & Management Vol. 6 No. 4 (2025): July 2025
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v6i4.1340

Abstract

Accurate blood group identification is essential in emergency medical care, especially in rural or remote areas with limited access to laboratory facilities. This paper presents the design and development of a low-cost, real-time blood typing detection device focused on the ABO blood group system. The device utilizes an ESP32 microcontroller to process optical input signals based on agglutination reactions between blood samples and antisera. Measurement results are displayed directly on an LCD screen, providing immediate and easy-to-read feedback without the need for internet connectivity or external devices. The system is compact, portable, and user-friendly, making it ideal for use in field operations, mobile clinics, or basic healthcare units. Initial testing shows the device is capable of accurately determining blood types A, B, AB, and O in real-time, supporting rapid decision-making in critical situations.
Factor Analysis Of Employee Engagement On Employees At PT XYZ Najla Khalisa, Kamila; Dudija, Nidya
International Journal of Science, Technology & Management Vol. 6 No. 4 (2025): July 2025
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v6i4.1341

Abstract

This research aims to identify the factors that represent employee engagement at PT. XYZ, model fit, and the emergence of new engagement factors. This research uses quantitative method with a cross-sectional survey of 312 respondents, was conducted using a convenience sampling and 5 scale of Likert for the questionnaire. Data analysis includes descriptive statistics, factor analysis consisting of EFA and CFA. In the process, the analysis was conducted using SPSS and AMOS. The results of this study state that the factors that represent employee engagement at PT. XYZ is Personal Growth & Work Life Balance. The quality of model adjustment values are fit. The identification of new factors that emerged in this study, namely the Agile & Smart Workplace. This study offers a more comprehensive discussion than previous studies by analyzing a large number of factors and indicators through EFA and CFA analysis in stages. To better engage employees, managers is advised to maintain or even improve the factor that represent the engagement of PT. XYZ, develop strategies to formulate more structured employee engagement policies based on data, and create a smart workplace with the practice of utilizing technology and digitalization.
The Influence Of The UTAUT Model,Service Quality, Information Quality, And System Quality To Intention To Adopt And Intention To Use Mobile JKN With Moderation Of Patient Health Value Lestariningsih, Nuri; Kusuma Dewi, Citra
International Journal of Science, Technology & Management Vol. 6 No. 4 (2025): July 2025
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v6i4.1342

Abstract

Digitalization of health services offers convenience for users, but not all new technological innovations can be easily accepted by the community. This study aims to assess how the influence of performance expectancy, effort expectancy,social influence,facilitating conditions, service quality, information quality, system quality, patient health value, on intention to adopt and intention to use BPJS Healthparticipants to use the National Health Insurance (JKN)Mobile application. The sampling technique used in the study was purposive sampling, with the population being users of the National Health Insurance (JKN)Mobile application in Indonesia. The data analysis technique used is Structural Equation Modeling Partial Least Square (SEM-PLS),then the research instrument used refers to the UTAUTmodel and the Updated Delone and McLean IS Success Model (modified) used in Alnaser dkk., (2024) study.

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