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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 1,063 Documents
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Isolation Of Chitosan From Cuttlefish Bones Ningrum, Siti Rahmi; Sinaga, Siti Morin; Harahap, Urip
International Journal of Science, Technology & Management Vol. 3 No. 3 (2022): May 2022
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v3i3.523

Abstract

One of the potential natural resources in Indonesia is the abundance of natural resources in the marine sector. The survey results show that the sale of cuttlefish in the market indicates that the demand for cuttlefish is very high. Cuttlefish is a type of marine animal that is widely consumed by the public because of its very high protein content, but the part used from this cuttlefish is the meat, while the squid bones are discarded. Cuttlefish bone is one of the natural ingredients that contains chitin, and when the isolation process is carried out with the stages of deproteinization, demineralization, and deacetylation, it can produce chitosan compounds. The aim of the study was to isolate chitosan from cuttlefish bones. Isolation of chitosan includes 3 basic stages, namely deproteinization, demineralization, and deacetylation. Then the characteristics of chitosan from cuttlefish bones are analyzed, namely water content analysis, ash content, protein content, ninhydrin test, and FT-IR characteristics. The results of characteristic testing of 8.04% water content, 1.73% ash content, and 4.8% protein content, ninhydrin test results showed that cuttlefish bone chitosan had an amine group, and FT-IR results showed that the absorption bands of C-O and C-N groups. The conclusion of this study shows that chitosan can be isolated from cuttlefish bones.
Quality Of The Coastal Water Of Aroma Beach San Jose, Occidental Mindoro B. Muyot, Norma
International Journal of Science, Technology & Management Vol. 3 No. 3 (2022): May 2022
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v3i3.526

Abstract

This is study which focused on the determination of the coastal water quality, of the Aroma Beach, a strip of gray sand which stretches more than one kilometer and located in San Jose, Occidental Mindoro. To determine water quality, water samples were taken monthly from February 2019 to May 2019 and subjected to analysis for pH, DO, temperature and oil and grease. Microbiological tests include determination of total coliform and fecal coliform measured in terms of most probable number per 100ml of the water sampled. Results of the study indicate that the coastal waters at Aroma Beach is safe for contact swimming and other recreational activities, however, values of its oil and grease have exceeded the maximum concentration slightly exceeded the DENR threshold for this pollutant.
Operational Optimization Of A Potable Water Refilling Station B. Muyot, Norma; Sheena R. Saflor, Charmine
International Journal of Science, Technology & Management Vol. 3 No. 3 (2022): May 2022
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v3i3.528

Abstract

This is study which focused on the determination of the coastal water quality, of the Aroma Beach, a strip of gray sand which stretches more than one kilometer and located in San Jose, Occidental Mindoro. To determine water quality, water samples were taken monthly from February 2019 to May 2019 and subjected to analysis for pH, DO, temperature and oil and grease. Microbiological tests include determination of total coliform and fecal coliform measured in terms of most probable number per 100ml of the water sampled. Results of the study indicate that the coastal waters at Aroma Beach is safe for contact swimming and other recreational activities, however, values of its oil and grease have exceeded the maximum concentration slightly exceeded the DENR threshold for this pollutant.
The Effect Of Fund Cash Flow, Fund Size, Expense Ratio And Turnover Ratio On Mutual Fund Performance Junaeni, Irawati
International Journal of Science, Technology & Management Vol. 3 No. 3 (2022): May 2022
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v3i3.529

Abstract

The purpose of this study was to analyze the effect of fund cash flow, fund size, expense ratio and turnover ratio on mutual fund performance. The sample used is thirty stock mutual fund companies. The data used in this study were obtained from the 2015-2017 annual financial statements of equity funds. The sample selection method used in this study was purposive sampling method, the analytical technique used in this study was panel data regression and processed using the Eviews version 9. After several tests were carried out, namely the Chow, Hausman and Lagrange multiplier tests, the best regression model was obtained, namely the random effect model. The results showed that only fund cash flow had a significant positive effect on mutual fund performance, while The other three variables, namely fund size, expense ratio and turnover ratio, showed contradictory results, namely that they had no effect on mutual fund performance.
The Influence Of Service Quality Dimensions On Customer Loyalty With Customer Satisfaction As An Intervening Variable Ramadhani Jatmika, M.; Abdurrahman, Agus
International Journal of Science, Technology & Management Vol. 4 No. 4 (2023): July 2023
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v4i4.884

Abstract

This study aims to determine the effect of the dimensions of service quality on customer loyalty at the coffee shop, with customer satisfaction as the intervening variable. The research method used in this study is a quantitative method by giving questions to a number of respondents using a questionnaire on the form (google form). The results of this study show that the responsiveness and empathy variables have a direct and significant influence on customer satisfaction at the Laju Coffee shop and this study also proves that the customer loyalty at Laju Coffee Shop is also influenced by the customer satisfaction.
Capability Assessment of IT Governance Using the 2019 COBIT Framework for the IT Business Consultant Industry Brian Hardjadinata, Maximillian; Wiratama, Jansen
International Journal of Science, Technology & Management Vol. 4 No. 4 (2023): July 2023
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v4i4.902

Abstract

Most Indonesian businesses need help with business alignment with information technology. COBIT is one of the frameworks controlled by IT Governance. COBIT 2019, the most recent COBIT framework, assesses information technology governance and capability levels at PT Kwadran Lima, Indonesia. Capability is measured by interviews regarding COBIT operations using a specified process domain. The COBIT Design Toolkit was used to establish the process domains. The process domains acquired were APO12-Managed Risk, BAI10-Managed Configuration, and DSS03-Managed Problem. These three domains solve challenges at PT Kwadran Lima in Indonesia. The process domain was assessed through interviews using the RACI Chart. Following the collection of measurement results, suggestions are made based on the findings of the evaluation results. According to the findings, PT Kwadran Lima Indonesia is still at level 2 to reach level 3. As a result, a proposal is made to develop or design a team whose tasks and responsibilities are to plan and execute ways of collecting categorization and associated data analysis of Information Technology risk for the Company to achieve level 3.
Strategy Analysis of Eclipse Hotel Yogyakarta During the Covid-19 Pandemic on Market Segmentation Changes Mutiara Ramadhani, Sekar; Abdurrahman, Agus
International Journal of Science, Technology & Management Vol. 4 No. 4 (2023): July 2023
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v4i4.903

Abstract

The tourism sector is a sector that can increase regional income. Tourism opens up business opportunities and employment opportunities for people in the area. However, in early 2020, the world was shocked by the covid-19 virus outbreak, which hit the world of the tourism industry and the creative economy in Indonesia. Eclipse Hotel Yogyakarta is one of the star hotels in the Prawirotaman Street area of Yogyakarta that was affected. This research aims to find out how Eclipse Hotel Yogyakarta’s strategy adapts to changes in the customer market during the covid-19 pandemic. The research method used is qualitative. This approach involves the use of data collection techniques based on interviews with Eclipse Hotel Yogyakarta employees and observations made during internships at the hotel. The data collected from the interviews will be analyzed using the content analysis method. The results obtained in this study are the COVID-19 pandemic has an influence on changes in market segmentation and has an impact on marketing strategies and service adjustments at Eclipse Hotel Yogyakarta made to meet the needs of market segments before the pandemic. The marketing strategy carried out by Eclipse Hotel Yogyakarta is to use social media increase customers.
The Influence Of Leadership And Organizational Culture On Teacher Performance With Work Motivation As An Intervening Variable At The Kristen Methodist Indonesia College 5: Kepemimpinan, Budaya Organisasi, Motivasi Kerja dan Kinerja Guru Christin, Christin; Ria Ginting, Rasinta; Nawi Purba, Mohd.; Tribuana Sutanto, Alex
International Journal of Science, Technology & Management Vol. 4 No. 4 (2023): July 2023
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v4i4.904

Abstract

Kristen Methodist Indonesia College 5 is one of the private schools that educates disciplined and highly moral students. The problems faced by this school are the lack of assertiveness by school leaders so that the delivery of tasks cannot be carried out optimally, the culture in the school that has begun to fade both the culture to be consistent, the culture of courtesy that has declined, providing motivation that is less constructive. The purpose of this study was to determine the effect of leadership and organizational culture on teacher performance with work motivation as an intervening variable. Respondents in this study were 88 teachers. This research method uses Path Analysis using SPSS software. The results of the study which are the conclusion are Leadership has a positive effect on teacher performance. Organizational culture has a positive effect on teacher performance. Leadership has a positive effect on work motivation. Organizational culture has a positive effect on work motivation. However, work motivation has no influence on teacher performance. Leadership has a positive effect on teacher performance through work motivation. Organizational culture has a positive effect on teacher performance through work motivation.
The Effect of Pharmacist Counseling on the Clinical Outcome of Type 2 Diabetes Mellitus Patients Outpatient at Asahan Regional General Hospital Rina, Habsyah; Nasution, Azizah; Khairunnisa, Khairunnisa
International Journal of Science, Technology & Management Vol. 4 No. 5 (2023): September 2023
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v4i5.906

Abstract

Diabetes mellitus is a metabolic disorder characterized by an increase in blood sugar levels known as hyperglycemia. Diabetes mellitus is caused by a decrease in insulin production due to dysfunction of ? cells in the pancreas, resulting in a decrease in insulin response in the body. Pharmacists are pharmaceutical staff who have a role in monitoring DM Type II patients by providing education and counseling to Type II DM patients. The purpose of this study was to see the effect of pharmacist counseling on the KGD and HbA1C values for Type II DM patients outpatient at the Asahan General Hospital. The research method used was a cohort study before and after the intervention by looking at the patient's KGD and HbA1C values. Research using the DKQ-24 questionnaire on the research sample of Type II DM patients The results showed that there were differences when Type II DM patients received pharmacist counseling interventions and before receiving counseling interventions. Changes occurred with a decrease in KGD and HbAi1 values in Type II DM patients after routine counseling from a pharmacist.
Greening Business For Sustainability: The Strategic Role of Green HRM, Innovation and Employee Behavior in Coal Power Plants in Sumatera, Indonesia Zeqing, Liu; Alfansi, Lizar; Usman, Berto
International Journal of Science, Technology & Management Vol. 6 No. 6 (2025): November 2025
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v6i6.1294

Abstract

This study examines the influence of Green Human Resource Management (GHRM) on Sustainability Performance (SP) in coal-fired power plants (PLTUs) in Indonesia, with Green Innovation (GI) and Employees’ Green Behavior (EGB) as mediators. Results show that GHRM significantly drives both GI and EGB, and directly improves SP. Indirect effects are even stronger, as GI and EGB enhance sustainability outcomes across environmental, social, and economic dimensions. These findings confirm GHRM as a critical driver of sustainability in energy-intensive industries. Based on the results, this study contributes theoretically by integrating GHRM with the Triple Bottom Line, extending the Resource-Based View and AMO framework, and linking micro-level green behaviors to macro-level sustainability outcomes. It also highlights the contextual relevance of GHRM in high-impact industries and underscores innovation as a strategic HRM outcome. Practically, energy companies should embed sustainability in HR practices, strengthen eco-innovation, and foster green behaviors through incentives and cultural alignment. Policymakers are encouraged to enhance regulatory support, while collaboration across sectors can accelerate the diffusion of sustainable practices. Overall, aligning HRM with green strategies provides both theoretical enrichment and actionable guidance for advancing corporate sustainability.

Page 104 of 107 | Total Record : 1063

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