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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 1,077 Documents
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The Influence Of Macroeconomic Factors And World Commodity Prices On The Volatility Of The Indonesian Sharia Stock Index Agus Afrianingsih, Dwi; Yunita, Irni
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.v6i4.1244

Abstract

The Indonesia Sharia Stock Index (ISSI) serves as a key indicator of sharia-compliant stock performance on the Indonesia Stock Exchange. This study investigates the impact of macroeconomic factors—interest rates, exchange rates, inflation, oil prices, and gold prices—on ISSI volatility from January 2015 to December 2024. Utilizing a quantitative approach with multiple regression analysis, the findings reveal that interest rates significantly negatively affect volatility (coefficient -0.509, significance 0.001), indicating that higher interest rates reduce market volatility. In contrast, the exchange rate and inflation show no significant effects (coefficients -0.308 and 0.144). World oil prices have a marginal negative impact (coefficient -0.200), while gold prices are not significant (coefficient 0.045). ANOVA results confirm that all independent variables collectively influence ISSI volatility significantly (significance 0.005). This research underscores the importance of macroeconomic factors in investment decision-making within the sharia market and suggests future studies incorporate sectoral analysis and additional control variables for deeper insights.
The Effect Of Employee Engagement On Turnover Intention: The Mediating Role Of Job Satisfaction At PT XYZ, A Healthcare Provider Company Syah Fanissa, Raina; Indiyati, Dian
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.v6i4.1247

Abstract

Employee engagement is a critical factor in managing human resources in the healthcare sector. Low engagement may reduce job satisfaction and increase turnover intention, affecting service quality and organizational stability. At PT XYZ, internal data show declining engagement and rising turnover intention in the past two years. This study aims to examine the effect of employee engagement on turnover intention, with job satisfaction as a mediating variable. Using a quantitative survey method, data from 131 permanent employees were analyzed with PLS-SEM. The expected result is that employee engagement negatively affects turnover intention, with job satisfaction mediating this relationship. Findings are expected to support policies to improve employee retention and satisfaction in healthcare services.
The Influence Of Compensation And Motivation On The Performance Of Customer Service Employees At Telco Company In Indonesia Yogie Pranata, Mochamad; Wulansari, Puspita
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.v6i4.1250

Abstract

This study examines the influence of compensation and work motivation on the performance of customer service employees at GraPARI Telkomsel in West Java. Using a quantitative approach, data were collected from 105 employees via questionnaires and analyzed using Partial Least Squares Structural Equation Modeling (PLS-SEM). Results indicate that both compensation (t-statistic = 7.655, p = 0.000) and motivation (t-statistic = 5.631, p = 0.000) significantly and positively affect employee performance. Collectively, these variables explain 86.2% of performance variance (R² = 0.862). The findings underscore the critical role of equitable compensation systems and motivational strategies in enhancing service quality in the telecommunications sector. Recommendations include revising compensation packages and fostering intrinsic motivation through recognition and career development.
Implementation of Deep Learning Models in Conducting Aspect-Based Sentiment Analysis Yusni Adhelina, Chintika; Halmi Dar, Muhammad; Nirmala Sari Hasibuan, Mila
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.v6i4.1251

Abstract

The increasing volume of consumer reviews on e-commerce platforms has highlighted the need for sentiment analysis methods capable of capturing user opinions more specifically concerning particular aspects of products or services. Aspect-Based Sentiment Analysis (ABSA) addresses this need by identifying the aspects discussed in a review and determining the polarity of sentiment expressed toward each aspect. This study aims to explore and compare the effectiveness of two deep learning models, namely Convolutional Neural Network (CNN) and Long Short-Term Memory (LSTM) in performing ABSA on Indonesian-language e-commerce user reviews. The research methodology comprises several stages: data exploration and cleaning, text preprocessing, aspect and sentiment annotation, training of CNN and LSTM models, and performance evaluation using metrics such as accuracy, precision, recall, and F1-score. The dataset is divided into training, validation, and testing subsets. The analyzed aspects include delivery, product, price, application, and service. Results show that the LSTM model outperforms CNN across all evaluation metrics. LSTM achieved an accuracy of 86.10%, precision of 85.70%, recall of 85.90%, and an F1-score of 85.80%, while CNN reported slightly lower values. Based on these findings, LSTM proves to be more effective in understanding the contextual and linguistic structure of the Indonesian language in ABSA tasks. This study provides a valuable contribution to the development of automatic sentiment analysis systems in the e-commerce sector. Future research can expand this approach by incorporating transformer-based models such as IndoBERT or integrating attention mechanisms to further improve predictive accuracy. These findings offer practical insights for industry stakeholders seeking to enhance customer experience through a deeper understanding of user sentiment.
The Influence of E-Service Quality And Perceived Value on Customer Loyalty Through E-Trust And Customer Satisfaction In The Klik Indomaret Application Ghasani Rahman, Navira; Millanyani, Heppy
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.v6i4.1282

Abstract

The rise of digital technology has fueled the growth of e-commerce in Indonesia, including mobile apps like Klik Indomaret, a digital platform by one of the country’s largest minimarket chains. Despite its convenience and user-friendly features, Klik Indomaret struggles with customer loyalty, as seen in moderate app ratings and mixed reviews. While previous studies show that e-service quality, perceived value, and e-trust can enhance satisfaction and loyalty, this relationship isn’t always consistent in practice. This study investigates the impact of e-service quality and perceived value on customer loyalty, with e-trust and satisfaction as mediating variables. Using a quantitative approach and PLS-SEM analysis of survey data from Klik Indomaret users, the research offers insights into digital consumer behavior and provides strategic recommendations for improving customer retention.
The Impact of Utilitarian, Hedonic, and Social Value on Purchase Intention through Customer Trust in Live Streaming: A Study of Wardah Beauty Products on TikTok Adabina Firlyani, Raisa; Millanyani, Heppy
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.v6i4.1319

Abstract

This study examines the relationships between utilitarian value, hedonic value, social value, trust in product, trust in platform, and purchase intention in the context of Wardah beauty products on TikTok live streaming. Using Structural Equation Model (SEM) with SmartPLS on 384 respondents, the research found that social value demonstrates the strongest influence on purchase intention (? = 0.368), followed by utilitarian value (? = 0.188) and hedonic value (? = 0.105). Notably, trust in platform significantly influences purchase intention (? = 0.171, p = 0.001), while trust in product does not (p = 0.810). The model explains 62.8% of purchase intention variance with strong predictive relevance (Q² = 0.420). Results indicate that social interactions and platform trust are more crucial than product-specific trust in driving consumer purchase decisions in live streaming commerce. These findings suggest that beauty brands should prioritise social engagement and platform reliability over traditional product-focused marketing strategies.
CEO Psychological Characteristics And Sustainability Report Disclosure In Indonesia Indah Dzikriah, Sukmawati; Sri Andayani , Endang; Wardoyo, Cipto
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.v6i4.1322

Abstract

This study aims to test the upper echelon theory by examining how CEO narcissism and optimism affect sustainability report disclosure. This study uses panel data regression with Eviews 12 on sample data of 238 companies on the Indonesia Stock Exchange (IDX) that published sustainability and annual reports 2021-2023. Frim size, firm age, leverage, and profitability are included as control variables. The results indicate that CEO narcissism negatively influence on sustainability report disclosure while CEO optimism positively influence on sustainability report disclosure. The presence of the firm age control variable changes the findings. CEO characteristics no longer affect sustainability report disclosure after the addition of the company age control variable in the regression model. The results of this study has practical implications for the board of commissioners and shareholders namely the importance of considering psychological aspects, such as narcissistic traits and the level of CEO optimism, when selecting and compiling the structure of the company's board of directors.
Risk Identification And Analysis In Engineering, Procurement, And Construction (EPC) Projects At Mining Facilities By PT. XYZ Syakieb Alkatiri, Mushab; Sagita Riantini, Leni; Okto Bangkit Sentosa, Bastian
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.v6i4.1323

Abstract

Risk management in Engineering, Procurement, and Construction (EPC) projects within the mining sector is critical to ensure project success and avoid potential disruptions. PT. XYZ, a company engaged in mining infrastructure development, faces a variety of risks ranging from technical and logistical challenges to external and environmental uncertainties. This study aims to identify and analyze the risks present in EPC projects carried out by PT. XYZ. The research begins with risk identification through expert interviews and document analysis, followed by a qualitative risk analysis based on the Project Management Body of Knowledge (PMBOK) framework to assess the probability and impact of each risk. The findings reveal several high-priority risk factors that require focused attention in future project planning. This study is expected to provide valuable insights into risk conditions in EPC projects and contribute to better risk-informed decision-making processes for PT. XYZ.
The Effect Of Servant Leadership And Intrinsic Motivation On Affective Commitment And Employee Performance Miranda, Rezha; Hudayah, Syarifah; Maria, Siti
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.v6i4.1325

Abstract

This study aims to examine the influence of servant leadership and intrinsic motivation on affective commitment and employee performance. Employing a causal research design with a quantitative approach, data were collected using a saturated sampling method from 90 employees. The data were analyzed using Partial Least Squares (PLS) with the SmartPLS 4 software. The results indicate that servant leadership has no significant effect on affective commitment but has a positive and significant effect on employee performance. Intrinsic motivation positively and significantly affects both affective commitment and employee performance. Furthermore, affective commitment has a significant positive effect on performance. However, affective commitment does not mediate the relationship between servant leadership and employee performance, whereas it does mediate the relationship between intrinsic motivation and performance.
The Effect Of Online Customer Review And Rating Dimensions On Purchase Intention In Shopee Alfira, Risa
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.v6i4.1326

Abstract

This study aims to determine the effect of online customer reviews and online customer ratings on purchase intention partially or simultaneously on shopees. This research is a descriptive study using quantitative methods. This research was conducted from September 2020 to January 2021. The object of this research is Shopee. Data collection was obtained through distributing questionnaires to 400 respondents.The sampling technique using nonprobability sampling is a convenience sampling technique with a population that is all Shopee platform users. Analysis of this data using Multiple Linear Regression. The results of the study indicate that the two variables simultaneously influence higher online customer review participation.

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