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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 41 Documents
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Search results for , issue "Vol. 4 No. 1 (2023): January 2023" : 41 Documents clear
Performance of Sediment Microbial Fuel Cells in Generating Electricity using Fish Wastewater and Shrimp Wastewater as a Nutrient and Their Effect on Waste Quality Alfiah Alif; Muhamad Jalil Baari; Amalyah Febryanti
International Journal of Science, Technology & Management Vol. 4 No. 1 (2023): January 2023
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v4i1.673

Abstract

Sediment Microbial Fuel Cell (MFC) is a technology that can convert chemical energy into electrical energy through the process of nutrient degradation by microbes. Sediment taken from the bottom of shrimp ponds was added as a source of microbes, while fish and shrimp wastewater were used as a source of nutrients for microbes. This study aims to measure the performance of the SMFC system on fish effluent and shrimp effluent to produce bio-electricity while reducing the waste load. The research method was experimental laboratories. The treatment given was the different types of electrodes, namely zinc-copper and aluminum-copper. In addition, 0.2 M KMnO4 electrolyte solution was used. This study consisted of four stages: the manufacture of nutrients from fish and shrimp wastewater, the manufacture of a dual chamber MFC bioreactor, the measurement of electrical values, and the analysis of waste quality. Experiments were carried out for 30 days by measuring electricity every 24 hours. The average value of electricity generated in the nutrients of fish wastewater with Zn/Cu electrodes was 0.705 V and Al/Cu was 0.472 V. Meanwhile, the average value of electricity in shrimp wastewater nutrients with Zn/Cu electrodes was 0.630 V and Al/Cu was 0.625 V. The number of colonies after adding sediment in the shrimp wastewater sample were 8.9 x 106 CFU/mL, the fish wastewater sample was 9.5 x 106 CFU/mL. It indicates the presence of microorganisms that play a role in the SMFC system
Analysis of the Impact of Budget-Refocusing Policies on the Sustainability of Construction Services Companies Aasniari Aasniari; Ruslin Anwar; Arief Rachmansyah
International Journal of Science, Technology & Management Vol. 4 No. 1 (2023): January 2023
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v4i1.688

Abstract

Business actors in the construction sector in the pre-pandemic period showed good performance, the projects obtained were on target, contract values rose, and operating income increased, until stable liquidity there was no minus, so, before the pandemic, projects were planned according to their schedules, the right targets, to the appropriate cost plan, but after the pandemic, hence the emergence of the government's policy on diverting the project budget for disasters (Covid 19), where this policy is called budget refocusing, the regulation is contained in the 'Regulation of the Minister of Finance of the Republic of Indonesia Number 87 / PMK.07 / 2020'. During the pandemic, construction work can hinder the implementation of the proposed project to show declining performance. The purpose of this study is to find out the factors that influence consultants in construction management activities and also to find out the impact of government policies on budget refocusing on construction project planning. Data collection was carried out by survey through a questionnaire, the respondents to this study were those in a Surabaya consulting company that was directly involved in the field of building construction that was affected by budget refocusing. As for the results of factor analysis in the correlation analysis test, one factor that significantly influences consultants in construction management activities is the factor of high labor wages with a correlation of 0.709. And for the impact of budget refocusing on construction project planning on cost factors, where the indicator is the untimely payment with a test value of 4,369.
Knowledge Sharing Behavior Model of Polytechnic Lecturer RD Kusumanto; Irma Salamah
International Journal of Science, Technology & Management Vol. 4 No. 1 (2023): January 2023
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v4i1.696

Abstract

Knowledge sharing is very important for lecturers in implementing the tri dharma of higher education. By sharing knowledge, it will create creative ideas and innovations for lecturers. This study aims to find out how the behavior of sharing knowledge of polytechnic lecturers. Research on the knowledge sharing behavior of polytechnic lecturers has never been carried out. The research sample was 200 lecturers at the first six polytechnics in Indonesia. The behavior of sharing knowledge is seen from three factors: knowledge donating, knowledge collecting, and technology. The data was processed using LISREL 8.80. The results of the research are the dominant dimension in supporting the sharing of lecturers' knowledge. Polytechnics lecturer also tend to collecting more knowledge than share knowledge. This can be due to the lack of motivation of lecturers to share and competition. For this reason, polytechnic university management needs efforts to improve the culture of knowledge sharing among lecturers.
Customer-Based Brand Equity, Company Reputation and Product Quality Effect on Customer Loyalty: Air Conditioner Retail Market in Medan Bambang Suwarno; Anjas Prassetyawan; Muhammad Abbas
International Journal of Science, Technology & Management Vol. 4 No. 1 (2023): January 2023
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v4i1.697

Abstract

This research explores and focuses on customer perceptions, because there is still a lack of research in knowing the relationship between customer perceptions of products and retail stores. Data collection by interviews, questionnaires, and observations on Panasonic AC retail customers. This study tries to examine the influence of the dimensions of customer loyalty which are influenced by the dimensions of Customer Based Brand Equity (CBBE), Company Reputation and Product Quality. This research is associative, with a quantitative method approach. The research was validated using SPSS-26 with data analysis techniques using multiple linear regression analysis. The results showed that CBBE and product quality had a positive and significant effect on customer loyalty. Furthermore, the company's reputation partially has a positive but not significant effect on customer loyalty. Whereas CBBE, Company Reputation, and Product Quality simultaneously have a positive and significant effect on Customer Loyalty. From the results of this study, it was also concluded that there is a tendency for loyal customers to not guarantee that they will recommend the products they buy to others. Product (brand) selection recommendations are also more influenced by salespeople in retail stores where customers will buy products. From this research, it was found that the novelty of customer perceptions of company reputation has no effect on customer loyalty, especially for retail store customers.
Multi Objective Optimization in The Basic of Ratio (Moora) In Supporting Decision Making in Measuring Employee Performance Level Case Study PT. Padi Saga Utama Ruly Dwi Arista
International Journal of Science, Technology & Management Vol. 4 No. 1 (2023): January 2023
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v4i1.698

Abstract

Staff Employees are the most important assets or human resources owned by a company. in evaluating the work achievement of a staff, the company's management makes a ranking of work results for each work of its staff PT. Padi Saga Utama. The benefit of this research is to assist decision making to measure the level of staff performance who achieves the highest to lowest targets at PT. Padi Saga Utama. The sources used for this research are data taken from the company PT. Padi Saga Utama. The staff data processed were as many as 20 permanent staff who have been registered at PT Padi Saga Utama. data processing using the Multi Objective Optimization on The Basic of Ratio (Moora) method. The results of testing the Morra method obtained that the highest alternative calculation table score is R3 (0.2144), staff with good performance is R3. Based on the results of research conducted, the application of the Multi Objective Optimization method on the Basic of Ratio (Moora) is quite easy to use as the process of measuring the performance level of lecturers.
Investigate Strategic Ambidexterity: How Environmental Dynamism Affects Networking Capability in Small Businesses Tyna Yunita
International Journal of Science, Technology & Management Vol. 4 No. 1 (2023): January 2023
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v4i1.699

Abstract

This study intends to investigate strategic ambidexterity (STA) by examining how environmental dynamism (EN) affects networking capability (NE) in small businesses. In addition, the moderating influence of EN on the relationship between NE and STA is examined. The association between networking capability, environmental dynamism, and strategic ambidexterity was determined by analyzing the responses from a survey of 185 small business owners in the province of West Java. The research has employed survey questionnaires and smart PLS for data analysis. This study indicated that small business networking capability and environmental dynamism directly affected strategic ambidexterity. However, this study's outcomes reveal that environmental dynamism as a moderator in the relationship between networking capability and strategic ambidexterity is insignificant.
Analysis of Service Quality at Beauty Salon in Surabaya Using the ServQual Method Suhatati Tjandra; Andri Suhartono; Kelvin; Sharon
International Journal of Science, Technology & Management Vol. 4 No. 1 (2023): January 2023
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v4i1.702

Abstract

This research was conducted to analyze and determine service quality and supporting attributes and to find gaps or discrepancies between consumer expectations and perceptions to improve service quality and provide solutions to existing problems. Analysis of service quality is carried out using the Servqual Method (Service Quality), a method used to measure service quality. This Servqual method measures how well a service provided by a company/service is expected to be received. This Servqual method includes 5 Gaps with five attribute dimensions: Tangibles, Responsiveness, Assurance, Reliability, and Empathy. The data needed to analyze is by distributing questionnaires to customers and management. The results of distributing questionnaires to 27 respondents and the results of the analysis show that there is a gap between consumer expectations and the perceptions received. The most significant gap is in Gap 5 with the PS2 attribute -1.073, with repair solutions ensuring consumers are comfortable by inviting them to choose a comfortable seat. Gap 1 is on the TS1 attribute -0.215, so a solution is provided to ensure the cleanliness of the salon equipment used. Gap 2 is on the PS3 attribute -0.67 and is given a solution namely, staff must rearrange management service standards and ensure staff responds well to customers. Gap 3 on AS4 attributes -0.73 with improvement solutions, namely rearranging good service standards so that the advertisements promoted are appropriate, gap 4 there are two attributes that are not managed to fulfill, namely TS5 and TS6 so that suggestions for improvements were given to install automatic air fresheners in every corner of the room and look for the best internet network provider and increase internet network speed.
Analysis Of Dominant Factors Affecting Construction Service Providers On Tender Electronically In Malang Raya 2021 Nabila Ayu Sabrina; Indradi Wijatmiko; Wisnumurti Wisnumurti
International Journal of Science, Technology & Management Vol. 4 No. 1 (2023): January 2023
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v4i1.703

Abstract

Provider process service construction participates in tenders electronics in Malang Raya; provider service construction will upload an offer or no for a project and make an offer that requires commitment source power. The influencing factors include the characteristics project, the ability company, the challenge operational project, the Economy, the environment, the market, and the government. The study aims to know the dominant factor influencing _ provider service construction bids on delicate electronics located in Malang Raya in 2021. Five hundred and fifty-nine respondents are provider service construction ever _ upload requirements nor only view tenders _ electronics at LPSE Malang Raya. Method research used _ is interviews and questionnaires — data analysis using Structure Equation Modeling (SEM) with SmartPLS (Partial Least Square) software. Modeling results bid Y = 0.123 X1 + 0.325 X2 + 0.196 X3 + 0.406 X4 Effect dominant leading provider service construction bid on Tender directly electronics at LPSE Malang Raya is a category of Economy, Environment, Market, and Government (X4) with Variable Replacement Value loss (X4.4). Influence dominant second that is category Enterprise Capability (X2) with variable Profitability (X2.3). Influence chief third category Challenge Operational Project (X3) with variable Availability another project (X3.4). And Influence dominant final category Characteristics Project (X1) with variable Tender Method (One File) (X1.8) Keywords: Tender, Construction Service Provider, Structural Equation Modeling (SEM), SmartPLS (Partial Least Square).
Analysis of Readiness for Implementation of the Smart City Masterplan in Wonogiri Regency Singgih Manggalou; Yulinda Uang; Binti Azizatun; Katerina Bataha
International Journal of Science, Technology & Management Vol. 4 No. 1 (2023): January 2023
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v4i1.706

Abstract

The development of the world's digital governance era has reached the development of smart city 4.0. Not many cities can make that happen. In Indonesia, the movement towards smart cities is still starting to be echoed. So it is necessary to prepare and have the will of the region to implement a smart city because of the difficulty in preparing to implement a smart city. Wonogiri Regency is one of the districts selected for smart city implementation because the achievement of the Electronic-Based Government System (SPBE) indicator has increased. The purpose of this study was to analyze the readiness of implementing a smart city master plan in the Wonogiri Regency. This research is a qualitative type with data collection techniques through in-depth interviews with 8 purposively selected informants. The researcher found that the readiness of the five components (nature, structure, infrastructure, superstructure, and culture) was 51% in good condition, 32% in moderate condition, and 17% in poor condition. This means that it is necessary to increase the structural and superstructure components where conditions are still bad. Recommendations in increasing readiness for smart city implementation include making regional smart city policies; improving the quality of the relevant apparatus to improve the quality of ICT capabilities; increasing the amount of budget in the smart city program; and preparing supporting institutions
Alternative Road Economic Feasibility Study Medan-Berastagi Via Tuntungan Intersection-Sibolangit Amrizal Amrizal; Kusumadi Kusumadi; Fadli Fadli; Samiran Samiran
International Journal of Science, Technology & Management Vol. 4 No. 1 (2023): January 2023
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v4i1.710

Abstract

As a sustainable from the research in 2019 regarding the Planning of the Medan-Berastagi Alternative Route that the Researchers have carried out, this year it is planned to conduct research related to the cost of construction and the feasibility of constructing the alternative route as a whole economy. It is important that a study be carried out immediately because of the importance of this alternative route considering the frequent occurrence of severe traffic jams due to accidents or natural disasters along this route in recent times. Knowing the development costs as well as the economic feasibility of this new route will help interested stakeholders in making decisions regarding this new route. The total construction cost which includes construction costs, design and supervision costs and land acquisition costs is IDR 1,171,518,647,736 while the annual routine maintenance costs are IDR 3,114,325,566 and periodic maintenance costs per five years are IDR 87,808,542,710. Calculation of Vehicle Operating Costs (VOC) is carried out by referring to Pacific Consultant International (PCI) standards while the Time Value calculation is adopted from the 2001 Bina Marga “Heavy Loaded Road Improvement Project – Master Plan Review” study (for Buses and Passenger Cars) and “Sumatera Region Road Project” PU (2000) for trucks. The existence of the Medan-Berastagi alternative road will save VOC of IDR 22,120,269,410 and Time Value savings of IDR 57,337,666,839 in 2023. The economic feasibility analysis results can be seen that the value of the Economic Internal Rate of Return is 12,06% greater than the current lending rates are in the range of 8-9%. At the prevailing interest rate of 10%, the Benefit Cost Ratio is 1.16 and the Net Present Values are IDR 204,496,000,000. These results indicate that the construction of the MedanBerastagi Alternative Road is economically feasible.

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