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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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Designing and Developing a Mobile Academic Platform for University Endariahna Surbakti, Eunike; Adeline Twince Tobing, Fenina; Sasmita Wijaya, Sagita; Rinanda Saputri, Fahmy
International Journal of Science, Technology & Management Vol. 5 No. 5 (2024): September 2024
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v5i5.1120

Abstract

Academic consultation is a consultation activity between academic supervisors and students in the study and helps solve problems that accept students. The goal is that students who can complete their studies according to their interests and abilities. The implementation of academic consultation is regulated by each study program / faculty / university. The current academic guidance process at Multimedia Nusantara University does not control the students being guided. In addition, the current process of distributing student assistance is done manually by the head and vice of the study program. They divide the average number of students by the number of lecturers. With the random number algorithm, pseudo random number generator will help the division of students with automatic divide. The pseudo random number generator algorithm was chosen because it has the advantage of providing initial value of the process that is produced quickly, simply and saves storage. The design of this online academic consultation application will assist in the academic monitoring process anytime and anywhere. This application developed using flutter and can be use by students and supervisor. The result from this research was application successfully developed and received a score of 88 % for UEQ Questionare, which is categorized as excellent.
Prediction Of Freshwater Fish Pond Water Quality Levels Using The Backpropagation Method Based On The Internet Of Things (IoT) Kartika Candra, Heru; Noor, Syamsudin; Bahit, Muhamad; Mulyani, Dwi
International Journal of Science, Technology & Management Vol. 5 No. 5 (2024): September 2024
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v5i5.1140

Abstract

The present study reports the first comprehensive study on the freshwater macroinvertebrates and its habitat preferences in Bilah River, the largest riverin the Northern Sumatra. The riverside is characterized by the presence of anthropogenic and industrial activities which may alter the macroinvertebrate assemblage and biodiversity. Five months of investigation on 10 sampling stations from December 2016 to October 2017 was conducted based on the river flow in Bilah River. Principal component analysis indicated a decrease in trophic status from upstream to downstream of the river. A total of 27 taxa were recorded, with the most abundant group were members of Odonata, Gastropoda, and Decapoda. The highest density of macroinvertebrate was observed from station 1 (160 ind m-2), while the lowest density was observed from station 9 (38.64 ind m-2). Based on species distribution and similarity, two groups of habitats may be distinctively recognized based on the Bray-curtis similarity coefficient. Group 1 consisted of station 1, 2, 3 and 4 while group 2 consisted of station 5, 6, 7, 8, 9, and 10. Based on the diversity indices as ecological parameters, the habitat condition in Bilah River is categorized from low to moderately polluted. Spatial patterns in both environmental conditions affecting the macroinvertebrate assemblage was observed using canonical correspondence analysis (CCA) revealed the preferences from each macroinvertebrate species towards environmental conditions.
Design Of A Budget Processing Information System At Sat Reskrim Of Polres Labuhanbatu Web Based Martasya Berkat Silaen, Dian; Juni Yanris, Gomal; Nirmala Sari Hasibuan, Mila; Rohayani Hasibuan, Elysa
International Journal of Science, Technology & Management Vol. 5 No. 5 (2024): September 2024
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v5i5.1163

Abstract

Capital expenditures carried out by regional governments produce infrastructure in an area both for providing basic services to the community and to encourage regional governments to provide potential sources of local revenue. The Financial Report of the National Police of the Republic of Indonesia consists of a budget realization report, balance sheet, operational report, report on changes in equity and notes on the financial report as attached, which is the responsibility of the National Police which has been prepared based on an adequate internal control system. The aim of this research is to be able to design an information system for processing budget data to unit of Sat Reskrim the Polres Labuhanbatu is web-based so that it can help operational work, especially in processing financial data, to be more effective and efficient
The Impact of Leadership, Work Motivation and Work Environment on Employee Performance at XYZ Resto Rijal Asy'ari, Muhammad; Indiyati, Dian
International Journal of Science, Technology & Management Vol. 5 No. 5 (2024): September 2024
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v5i5.1174

Abstract

This study aims to analyze leadership, work motivation, work environment and employee performance at XYZ Resto; to analyze the influence of leadership, work motivation and employee work environment on employee performance. This study uses quantitative methods with a descriptive and verification approach. Data collection techniques are carried out by distributing questionnaires, which must be tested for validity and reliability. The population in this study were employees at all XYZ Resto branches, totaling 250 people, where the sample was taken as much as 40% to 100 people. This study uses path analysis as a data analysis tool. The hypothesis is that leadership, work motivation and work environment have a significant effect on employee performance at XYZ Resto. Based on the research findings, it was found that the influence of the three variables of Leadership, Motivation and Work Environment simultaneously on the Employee Performance variable is 62.5%. While 37.5% is influenced by other variables outside those studied.
Study On The Implementation Of Accreditation Status And Regional Public Service Agencies As A Strategic Model For Improving The Management Of Community Health Centers (Puskesmas) Alesa, Nelly; Kamaludin, Kamaludin; Suthia Hayu, Rina; Agustina Ekaputri, Retno
International Journal of Science, Technology & Management Vol. 5 No. 5 (2024): September 2024
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v5i5.1175

Abstract

Indonesia still has public health centre (Puskesmas) health care issues. The data from Bengkulu is comparable to those from the national level. It shows that Puskesmas has not maximised gatekeeping. We need responsible Puskesmas management and high-quality, sustainable health care to address these problems. Pushesmas' accreditation and Regional Public Service Agency status help the government improve Puskesmas administration. We need a synchronization model because we implement accreditation and BLUD separately. Given the current situation, this study explores potential synchronization strategies between accreditation and BLUD to enhance Puskesmas management. The study describes the condition of accredited and BLUD Puskesmas, identifies the problems, investigates the role capabilities of the parties involved, seeks to synchronise Puskesmas management, and formulates a strategy to improve management. This qualitative descriptive research uses a case study approach with purposive sampling to examine Puskesmas, an accredited and BLUD school in Bengkulu Province. Researchers conduct in-depth interviews, observations, library studies, and documentation. Researchers analyse data through collection, reduction, presentation, and verification or conclusion. They also triangulate data, sources, and procedures for data validity analysis. This research created a Puskesmas Management Improvement Strategy Model as a Novelty
Analysis Of Bankruptcy Prediction Using Springate, Zmijewski, Grover. And Altman Z-Score Models On Retail Companies Listed On The Indonesia Stock Exchange Milleniasari, Poeti Annisa; Yunita, Irni
International Journal of Science, Technology & Management Vol. 5 No. 5 (2024): September 2024
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v5i5.1176

Abstract

The retail sector plays a significant role and contributes greatly to the national economy. The slowdown in domestic economic growth and decreased consumer purchasing power have significantly impacted the retail business in Indonesia. This is evident from the high number of retail companies declared bankrupt and many large retail companies closing their stores. The aim of this study is to assess the health level of retail companies, determine the differences in scores among the research models, and evaluate the accuracy of the Springate, Zmijewski, Grover, and Altman models. This research is a quantitative study with a descriptive approach. The research objects are retail companies listed on the Indonesia Stock Exchange during the period 2019-2021. Sampling technique used is purposive sampling. The results of this study indicate that the highest accuracy level is achieved by the Grover model with an accuracy of 77.7%, followed by the Zmijewski model with an accuracy level of 72.2%. Meanwhile, the Springate and Altman models have the same accuracy level of 66.6%.
The Influence of the 7P Strategy on Passenger Satisfaction and Loyalty at Terminal 3 Soekarno-Hatta Airport: An Operations Management Approach Namira, Maryam; Pasaribu, Rina
International Journal of Science, Technology & Management Vol. 5 No. 6 (2024): November 2024
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v5i6.1190

Abstract

The COVID-19 pandemic highlighted the dependence of aeronautical revenue on external factors, making it crucial to increase non-aeronautical revenue. Major global airports like Changi and Incheon have achieved this revenue balance, but Indonesia's five largest airports, including Soekarno-Hatta and I Gusti Ngurah Rai, have not. Balanced non-aeronautical revenue can cover investment and promotional costs without relying on aeronautical income. Soekarno-Hatta, as a major hub, still has limited tenants, and retail and F&B revenues in Terminal 3 have significantly declined. To address this issue, reducing passenger queue times through digitalization and improving airport facilities has become a primary focus. This research uses 400 questionnaires analyzed with structural equation modeling (SEM) using SmartPLS 4.0 software. The focus is on identifying the influence of the 7P—covering product (tenant variety), price, promotion, place, people (service quality), process (self check-in and immigration autogates), and physical evidence (cleanliness and terminal design)—on customer satisfaction and loyalty in Soekarno-Hatta's Terminal 3. Digitalization, such as self check-in and immigration autogates, is expected to reduce queue times, providing passengers with more time to shop and thus increasing non-aeronautical revenue. This study aims to find the most significant factors affecting customer satisfaction and customer loyalty at the airport. The results indicate that product, process and physical evidence have a positive and significant impact on both customer satisfaction and customer loyalty.
Will The Income Of Womenpreneurs, Family Size, Husband's Income, Wife's Income, And Children's Income Affect Family Economic Improvement: An Islamic Economic Perspective? Marlina, Lilis; Ariska Ramadhan, Risca
International Journal of Science, Technology & Management Vol. 5 No. 6 (2024): November 2024
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v5i6.1191

Abstract

This study aims to explore whether the income of womenpreneurs, family size, husband's income, wife's income, and children's income influence the improvement of family economics from an Islamic economic perspective. It is also hoped that the research can provide recommendations for women to understand and consider Islamic economic principles before deciding to become womenpreneurs and for husbands to consider Islamic Sharia principles when giving permission to wives and children to work. The research method used is quantitative, with a population of 1,898 people and a sample of 95 people obtained through the distribution of questionnaires. The results of the study show that: a) Womenpreneur income has an impact on improving family economics in Dompu Regency from an Islamic economic perspective; b) Family size influences family economic improvement in Dompu Regency from an Islamic economic perspective; c) Husband's income affects family economic improvement in Dompu Regency from an Islamic economic perspective; d) Wife's income contributes to family economic improvement in Dompu Regency from an Islamic economic perspective;e) Children's income has an impact on family economic improvement in Dompu Regency from an Islamic economic perspective.
Development Strategy Analysis With IFE-EFE-IE Matrix, SWOT Matrix and AHP at PT Putra Morowali Sejahtera Sibarani, Andreas; Djunita Pasaribu, Rina
International Journal of Science, Technology & Management Vol. 5 No. 6 (2024): November 2024
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v5i6.1192

Abstract

Heavy equipment construction equipment usage activities are used for material handling, excavation, lifting, and other heavy operations. PT PMS currently does not have a strategy to face challenges in the heavy equipment rental business, this causes a lack of maximization of the heavy equipment rental business so that an analysis of internal and external factors is needed to determine a strategy for PT PMS. The purpose of this research is to identify internal (strength and weakness) and external (opportunity and threat) factors using the IFE and EFE approaches and using the IE and SWOT Matrix to determine alternative business strategies that can be recommended to PT PMS to choose the most appropriate business strategy used with Analytical Hierarchy Process (AHP) priorities to develop the heavy equipment rental business. The research method used in this research is qualitative. Qualitative research gets data from interviews with sources and scoring on a matrix based on a list of questions that have been provided. The results showed that the IFE matrix score was 3.03 and the EFE matrix score was 2.43, so that the position of PT Putra Morowali Sejahtera in the IE matrix was in cell IV, namely the growth and build strategy. From the results of the SWOT matrix, the company has 8 alternative strategies. The 8 alternative strategies are then evaluated in the AHP matrix to determine priority or ranking. The recommended strategy for PT Putra Morowali Sejahtera according to the ranking in the AHP matrix is ranking 1 Improving the quality of heavy equipment rental services and increasing the efficiency and effectiveness of operational activities in order to provide services at more competitive prices, ranking 2 Continuous improvement to expand the heavy equipment rental market network and increase operational effectiveness and efficiency, and ranking 3 Increase the capacity of heavy equipment rental units to meet demand for heavy equipment usage. The strategy is expected to contribute to the development of PT Putra Morowali Sejahtera.
Assessment Of Complex Ii Fuel Oil Heat Exchanger Utilizing Heat Transfer Methodology Sulistiyo Nugroho, Budi; Ivonne Aqilah, Griselda; Alvino, Nimrod
International Journal of Science, Technology & Management Vol. 5 No. 6 (2024): November 2024
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v5i6.1194

Abstract

The heating stage of oil and gas refining commences with a heat exchanger. Using the pressure drop method and dirt factor in conjunction with the utmost standard permissible limit is one method of evaluating the thermal efficiency of a heat exchanger. This is performed to ascertain the value of the pressure drop, or pressure drop, which is directed at the fluid passage in the shell and pipeline. Moreover, a dust factor value is necessary to account for the potential accumulation of impurities and scale on the walls outside the heat exchanger conduit. The dust factor value is the maximum value that the parameter permits to ascertain the feasibility of the heat exchanger. Heat Exchanger 011-E-112 in the Fuel Oil Complex Unit The results indicate that heat exchanger 11E-112 can still be utilized despite the necessity for design enhancements. The design data for the shell is 1.7 psi, and the tube is approximately 18.92 psi. The Dirt Factor values for the shell and tube are 0.017 BTU/hour ft2°F and 0.034 BTU/hour ft2°F, respectively. The tube pressure drop value is 130.32 psi, while the shell pressure drop value is 2.53 psi.

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