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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 Incentives and Work Discipline in Increasing Work Motivation of PT. Berastagi Riesmiyantiningtias, Ninuk; Amalia, Rizky; Eko Purwanto, Oby; Chandra, Ati; Puspita, Ratna; Givan, Bryan
International Journal of Science, Technology & Management Vol. 4 No. 3 (2023): May 2023
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v4i3.813

Abstract

This study aims to determine the effect of work discipline on employee performance at PT. Berastagi Rantauprapat. To determine the effect of giving incentives to employee performance at PT. Berastagi Rantauprapat . To determine the effect of work discipline and intensive giving effect on employee performance at PT. Berastagi Rantauprapat. This type of research is associative research. Data collection in this study was carried out through a survey approach with a quantitative descriptive research type by distributing questionnaires to 35 respondents while the population used in this study was employees of PT. Berastagi Rantauprapat. Data collection techniques were carried out by interviews, questionnaires and documentation studies. The data analysis technique used in this research is descriptive analysis, multiple linear regression analysis, hypothesis testing using simultaneous significant test (F test), partial significant test (t test), and testing the coefficient of determination (R2). The results of this study indicate that partially the incentive variable has no positive and significant effect on employee motivation, partially that the work discipline variable has a positive and significant effect on employee motivation and simultaneously that the incentive and work discipline variable has a positive and significant effect on employee motivation.
Comparative Analysis Of On-Page And Off-Page White Hat Search Engine Optimization (SEO) Techniques On Website Popularity Aryani, Diah; Shine Pintor Siolemba Patiro; Setiawan, Aji; Tjahjono, Budi
International Journal of Science, Technology & Management Vol. 4 No. 3 (2023): May 2023
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v4i3.815

Abstract

Currently, the use of Search Engine Optimization (SEO) has become a necessity to achieve better ranking results from Search Engines known as Search Engine Optimization, which is a collection of techniques for positioning a site so that it can be indexed by search engines and get a position in search engine results—result Pages (SERPs). Based on Globalstatistics data, there has been an increase in internet users in Indonesia who search for products through the search engine market, which has reached 97.38%. This study aims to increase the visibility of a website or multi-umah web page in search results to get a higher ranking on the SERPs in the search results. search results using white hat SEO by comparing on-page techniques and off-page techniques through descriptive qualitative methods, then analyzed using Google Search Console and Google Analytics tools to understand keyword performance, behavior, and customer interests on the umahmulti.biz.id website
The Influence Of Transformational Leadership, Knowledge Sharing, And Academic Integrity On Lecturer Innovativeness Irma Salamah; Moeins, Anoesyirwan; Yulizain, Yulizain
International Journal of Science, Technology & Management Vol. 4 No. 3 (2023): May 2023
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v4i3.817

Abstract

The purpose of this study, is to test and analyze the factors that influence both partially and simultaneously on the innovativeness of lecturers at 6 First State Polytechnic Colleges in the Ministry of Research and Technology, using a questionnaire that has been tested for validity and reliability against 200 respondents, in a verification way carried out through the method and analysis of structural equation models (Structural Equation Modeling) using Lisrel V.8.80 software. The results of research and hypothesis testing show that transformational leadership, knowledge sharing, and academic integrity affect both partially and simultaneously on the innovativeness of lecturers with a contribution of 73%. Of the three variables, academic integrity has a more dominant influence compared to other variables.
Evaluation of Type 322 Un-Signalized Intersection Performance Radjawane, Louise Elizabeth; Lao, Virginia Claudia
International Journal of Science, Technology & Management Vol. 4 No. 3 (2023): May 2023
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v4i3.818

Abstract

Currently the world is trying to improve air quality which has an impact on climate change. Including Indonesia contributing to various international forums that discuss greenhouse gas emission reduction programs, including in the transportation sector. The Batua Raya-Toddopuli-Borong Raya intersection is an alternative intersection for travelers from Makassar City to Sungguminasa City or Maros City, and vice versa. The aim of this research is to obtain the delay and the relationship between the delay and the emission load at the un-signalized intersection of the Batua Raya-Toddopuli-Borong Raya road, Makassar, SIDRA INTERSECTION 8 Software is used to calculate the value of the delay and emission load. Delays that occur on weekdays are higher than holidays, seen on Monday morning at peak hours 17.00-18.00 there is a very high intersection delay of an average of 3888.52 seconds. The relationship between traffic delays and NOx emissions, which has an effect of 84.32%, each second addition of the delay value can increase HC emissions by 0.0000005 kg/hour. The relationship between traffic delays and CO emissions, which has an effect of 95.56%. The relationship between traffic delays and HC emissions, which has an effect of 93.76%. The relationship between traffic delays and CO2 emissions, which has an effect of 93.64%. The addition of delay time at the intersection increases the emission value and reduces the quality of the intersection level of service.
Phytochemical Screening Of Ethanol Extract Of Temu Kunci (Boesenbergia Rotunda (L.) Mansf) Rhizome Extract And Testing Of Bilirubin Levels In Male White Mice Harahap, Mawandha Sari; Harahap, Urip; Sitorus, Panal
International Journal of Science, Technology & Management Vol. 4 No. 3 (2023): May 2023
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v4i3.819

Abstract

Liver Disease Is A Deadly Disease That Has Attacked Many People. Liver Disease Is A Disease That Occurs As A Result Of An Unhealthy Lifestyle. Usually, The Patient Will Consume Drugs With Chemical Compounds To Overcome The Problem Of This Disease. The Long-Term Use Of Chemical Drugs Will Certainly Cause Side Effects Or, Even Worse, Cause New Diseases. Therefore, The Latest Treatment Methods Must Be Developed To Minimize Side Effects, Namely The Use Of Traditional Medicines. The Purpose Of This Study Was To Determine The Use Of Temu Kunci Rhizome As An Alternative To Reduce Total Bilirubin Levels In Rats As Experimental Animals. This Study Used Rats As Experimental Animals, Which Were Divided Into 6 Test Groups, Namely Group 1 Without Treatment, Group 2 With 0.5% CMC Suspension, Group 3 With 200 Mg Acetylcysteine, Group 4 With 250 Mg/Kg BW Ethanol Extract Of Temukunci, Group 5 Treated With A 500 Mg/Kg BW Dose Of Ethanol Extract Of Temukunci, And Group 6 With A 750 Mg/Kg BW Ethanol Extract Of Temukunci. From The Results Of The Research Conducted, The Ethanol Extract Of Temu Kunci At A Dose Of 750 Mg/Kg BW Was The Best Treatment For Reducing Total Bilirubin Levels In Rats As Experimental Animals.
Training Recommendation using Simple Addictive Weighting in Agriculture Product Trading Company Oetama, Raymond; Andila, Mayang
International Journal of Science, Technology & Management Vol. 4 No. 3 (2023): May 2023
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v4i3.820

Abstract

The use of System Application and Processing (SAP) software is becoming increasingly popular among businesses, and ensuring employees receive adequate training is essential for effective use. However, there are common problems associated with SAP training, such as the lack of adequate training materials, training module quality, insufficient training facilities, and inadequate coach quality. These problems can result in employees not receiving the training they need to operate the software effectively, leading to a lack of productivity and efficiency in the workplace. To address these issues, the development of a training recommendation application using XAMPP, HTML, PHP, and CSS has been successful. The application offers an integrated, secure, and accurate solution to select the most appropriate SAP Training Module for each employee based on their performance across different attributes. The User Acceptance Testing (UAT) carried out with the Human Resource staff showed that the application built using the Simple Additive Weighting (SAW) method was 100% effective in selecting the best module for each employee. The SAW method considers the weighted sum of performance rankings for each module, providing a reliable and accurate recommendation for the most suitable module for each employee.
Systematic Review: The Impact Of Pandemic Post-Covid-19 On The Mental Health Of The Elderly Muhammad Zambri; Yulia Ayriza
International Journal of Science, Technology & Management Vol. 4 No. 3 (2023): May 2023
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v4i3.822

Abstract

This study aims to investigate how MSMEs in Cilacap capacity to compete and perfome well in the marketing arena are The elderly are those who spend a lot of time at home to gather with their families and grandchildren, which is normal. This systematic review aims to look at the impact of the COVID-19 pandemic on the post-pandemic mental health of the elderly. based on research journal articles published from January 2022 to April 2022 on the elderly. Five research articles were obtained from three international publishers. The five journals were tested for due diligence using six PRISMA (Preferred Reporting Items for Systematic Review and Meta-analyses) assessment protocols which included abstracts and titles, introduction and objectives, methods and data, sample selection strategy, data analysis, and research findings. The results obtained based on a systematic study conducted in depth regarding the impact of Covid-19 on the health of the elderly are; (1) Psychological disorders, namely: anxiety, stress, overdose, and trauma. (2) Disorders of happiness, namely quality of life, perceptions of health and well-being (3) and Physical Disorders, namely functional disorders, dyspenia, and cognitive disorders. This finding represents the impact that the elderly have felt during the 4 months of the pandemic in 2022, even though it has been more than two years of the COVID-19 pandemic, the elderly are still feeling the negative impact of the pandemic. The third finding of the impact of the pandemic on the elderly can be used as reference material and a source of reference for in-depth research by linking variables that can increase positive emotions in individuals.
Inhibition of Barium Sulfat Crystal Formation in a Batch Method Crystallizer in the Presence of Cu and Zn Karaman, Novel; Giritama Wibowo, Hendi; Aqil, Ubaidillah; Jamari, Jamari; Bayuseno, A.P.; Suprianti, Lilik
International Journal of Science, Technology & Management Vol. 4 No. 3 (2023): May 2023
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v4i3.824

Abstract

Deposits of barium sulfate are a common issue in the oil and gas industry. The presence of these crystals impacts oil and gas production, causing technical problems such as inhibiting flow rate, increasing pressure in the pipe, and causing the pipe to break and be damaged. The results of this study show the formation of barium sulfate (BaSO4) crystals with the batch crystallizer method at 300 °C under the influence of the stirring rotation speed (0 rpm, 120 rpm, 240 rpm, 360 rpm, 480 rpm) and the additive concentration (0 ppm, 5 ppm, 10 ppm, 15 ppm, 2atm). In this study, the BaSO4 crystallization experiment was performed in a glass beaker using a magnetic stirrer with a stirring rotation speed to react BaCL2 and Na2SO4. The results demonstrated that adding zinc chloride (ZnCl2) and copper (ii) chloride (CuCl2) additives reduced the mass of crystals formed. The amount of barium sulfate scale that forms can be affected by the rotational speed of the stirrer. According to SEM analysis, the crystal morphology of BaSO4 was orthorhombic, indicating that this crystal shape was typical of barite crystals. While XRD analysis confirmed the formation of barium sulfate (barite) crystals, it also demonstrated that the crystals formed were solid barite crystals.
Moderating Competitive Advantage On Factors Affecting MSMEs Business Performance In The Time Of Covid-19 Bekti Karnowati, Nandang; Najmudin, Najmudin; Suwandari, Lusi; Adi Prakoso, Fajar; Widya Apriandi, Devy
International Journal of Science, Technology & Management Vol. 4 No. 3 (2023): May 2023
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v4i3.828

Abstract

This study aims to investigate how MSMEs in Cilacap capacity to compete and perfome well in the marketing arena are impected by market orientation and entrepreneurial orientation. The goal of this study is to balance the effect of market orientation on bussiness performance by looking at the potential moderating function of competitive advantage. Partial Least Square model analysis is used in the study. MSMEs business actors werw given a quetionnaire with a likert scale and five possible answers. We discovered that whilw market orientation is crucial for creating a competittive edge, it has no real bearing on how well a company performs. Additionally, whereas entrepreneurial mindset direccty affects corporate performance, it has little impact on competitive advantage. MSME business actors need to able to create fresh concept that can help the neighborhood deal with socioeconomic issue brought on by the Covid-19 pndemic.
Correlation of Macrozoobenthos Diversity Index with Physico-Chemical Factors in Lake Toba, Toba Samosir Regency Sinambela, Masdiana; Simangunsong, Mariana; Simorangkir, Andreas; Harahap, Arman
International Journal of Science, Technology & Management Vol. 4 No. 3 (2023): May 2023
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v4i3.829

Abstract

This study aims to determine the macrozoobenthos in Lake Toba, Toba Samosir Regency. This research was conducted from May to July 2018. Determination of research stations based on environmental baseline consisted of 4 stations, namely station 1 in Lumban Binanga Laguboti village, station 2 in Lumban Bul-bul Balige, station 3 in Lumban Binanga Sigumpar, and station 4 in Hutagaol Sigumpar. Samples were taken using Eckman Grab at 3 times at each station. The macrozoobenthos found consisted of two classes, three orders, eight families, 15 species with a total of 565 individuals. The species found were Brotia subgloriosa, Brotia peninsularis, Brotia castulata, Pomacea diffusa, Pomacea paludosa, Filopaludina polygramma, Filopaludina sp., Melanoides tuberculata, Lymnaea sp., Emilia sp., Corbicula sumatrana, Corbicula fluminea, Corbicula japonica, Pilsbryoconcha exilis, and Anodonta sp.. The macrozoobenthic species with the highest number of individuals was Corbicula sumatrana with 141 individuals and the least was Lymnea sp. by 1 individual. The macrozoobenthos ecological analysis included the average density of 2260, the average diversity index of 1.282, the average uniformity index of 0.633, and the average dominance of 0.390. Then correlated with physico-chemical factors using Pearson correlation (r). Correlation of diversity index with physico-chemical factors from the strongest to the weakest starting from depth and phosphate, turbidity, temperature, pH, BOD, and DO.

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