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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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Formulation and Evaluation of Sustained Release Microcapsule of Metronidazole Leo, Natassya Manda; Bangun, Hakim; Harahap, Urip
International Journal of Science, Technology & Management Vol. 3 No. 6 (2022): November 2022
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v3i6.643

Abstract

The oral conventional metronidazole dosage forms have a short duration of action due to gastric emptying process, hence the treatment of ulcus pepticum using metronidazole become less effective. Due to retaining the dosage form in the stomach, a preparation form of sustained released drug delivery systems has been developed. The aim of this study was to developed a sustained released drug delivery systems of metronidazole using alginate and chitosan as polymers that could last longer in stomach. The formulation consisted of variatons in chitosan 0.5%, 0.75% and 1%. The drug released test was carried out using paddle method in simulated gastric medium pH 1.2 at 37°C. The dissolution test results showed that formula with 0.75% of chitosan giving the best sustained released effect and the kinetics drug realeased of microcapsule followed Higuchi order. Based on the results of the study, it can be concluded that microcapsules of metronidazole with a combination of alginate and chitosan can be prepared as sustained released formulation.
Human Development Index And Employment Provision In Medan City Raynaldo, Raynaldo
International Journal of Science, Technology & Management Vol. 3 No. 6 (2022): November 2022
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v3i6.644

Abstract

This study aims to analyze the effect of economic growth and the number of industries on the provision of employment in the city of Medan. Where there are two dependent variables, namely the human development index and employment. There are five independent variables, namely GRDP, number of industries, population, wages and local revenue. This study uses secondary data or time series, namely from 2015 to 2021. The data analysis model in this study uses the Simultaneous Regression method. There is one variable for simultaneous results that shows an effect on the human development index, namely GRDP and has a positive and significant effect on the human development index. For the effect on employment, there are two variables for simultaneous results that show the effect on employment, namely the number of residents has a negative and significant effect on employment and wages have a positive and significant effect on employment.
The Effect of Job Promotion on Work Motivation: Evidence from PT. Beiersdorf Indonesia Raharja, Irwan; Firdaus, Zahra; Syahyuni, Dedy
International Journal of Science, Technology & Management Vol. 3 No. 6 (2022): November 2022
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v3i6.646

Abstract

Promotional opportunities offered by companies to employees will create a desire for employees to motivate themselves. This study aims to determine the effect of job promotion on employee performance at PT. Beiersdorf Indonesia by using a saturated sample of 50 respondents, where all the population is used as a sample with a significance level of error of 5% and with an r table of 0.284. Data processing is assisted by SPSS version 25 and Microsoft Excel. This study uses quantitative methods where data collection is done by observation, questionnaires, and documentation study methods. The test results showed the correlation coefficient of job promotion to work motivation was 0.699, which means it is strong and in the same direction because it is positive. In addition, the coefficient of determination is 0.488 (48.8%) and the rest (51.2%) is influenced by other factors that are not included in the variables of this study. The regression equation (Y = 7.051 + 0.431X) shows that there is a positive influence between job promotions and employee motivation at PT. Beiersdorf Indonesia.
Determining Sustanaibility Of Urban Settlement In The Center Of City Yogyakarta Indonesia Pamungkas, Luhur Sapto; Kusumawanto, Arif; Dharoko, Atyanto
International Journal of Science, Technology & Management Vol. 3 No. 6 (2022): November 2022
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v3i6.647

Abstract

Urban settlements where urban areas in Indonesia are known as urban villages are one of the distinctive characters of cities in Indonesia, especially in Java. Many urban villages are threatened with sustainability due to the impact of urban development. This research is one of the research models that examines the sustainability of urban villages in Yogyakarta, call it 'kampung kota'. Measurement of sustainability is carried out both from qualitative aspects, namely socio-economic observations, as well as quantitative aspects by measuring the value of Floor Area Ratio (FAR), Energy Consumption Intensity, and Mobility which consists of walkability and bikeability. The conclusion is that urban village life in Yogyakarta currently still has a good level of sustainability, for example in the FAR aspect which is still safe, and the level of mobility is walkable and bikeable. However, the life of the urban village faces a threat of sustainability with the intensity of energy consumption being quite wasteful and several socioeconomic aspects such as environmental conditions, government support, economic stability, and community initiatives. To be able to maintain the sustainability of a number of development efforts are needed to maintain the urban village so that it can remain sustainable.
Phytochemical Screening and Antibacterial Activity Ethanolic Extract of Solanum mauritianum Scop Leaves Against Staphylococcus aureus and Pseudomonas aeruginosa BR PA, Ayu Meta Sari; Masfria; Sitorus, Panal
International Journal of Science, Technology & Management Vol. 3 No. 6 (2022): November 2022
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v3i6.648

Abstract

According to the Karo people, Solanum mauritianum Scop leaves are widely used as traditional medicine, which is used topically to treat sprains, wounds, and bruises because of their high phenol content. The purpose of this study was to identify the content of secondary metabolites (alkaloids, flavonoids, saponins, tannins, steroids, triterpenoids, and glycosides) that inhibit the antibacterial activity of Staphylococcus aureus and Pseudomonas aeruginosa by the diffusion method using paper discs from the ethanolic extract of Solanum mauritianum Scop leaves. The results of phytochemical screening showed that Solanum mauritianum Scop leaves were positive for alkaloids, flavonoids, glycosides, saponins, tannins, and steroids. Results The antibacterial activity test of the ethanolic extract of Solanum mauritianum Scop leaves showed effective results at a concentration of 80 mg/mL on Staphylococcus aureus with an inhibition zone diameter of 14.54 ± 0.13 mm. Meanwhile, Pseudomonas aeruginosa showed effective results at a concentration of 300 mg/mL with an inhibition zone diameter of 15.70 ± 0.09 mm. Both bacteria showed activity in the strong category. Conclusion The ethanolic extract of Solanum mauritianum Scop leaves has antibacterial activity against both test bacteria with a strong category
Characteristics Of The Knowledge Service System On The Behavior Of Preventing The Transmission Of COVID-19 In The City Of Ternate Kurniawan, Didik
International Journal of Science, Technology & Management Vol. 3 No. 6 (2022): November 2022
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v3i6.650

Abstract

Since the COVID-19 pandemic hit the whole world including Indonesia, there has been a change in habits in living life for all parties, including health service providers, especially hospitals, which are the last bastion in the fight against the COVID-19 pandemic. The type of research used in this study is a descriptive quantitative method, which is carried out on a set of objects which usually aims to see the characteristics in order to determine the extent of knowledge, attitudes, family support and use of media towards the knowledge service system about the behavior of preventing transmission of Covid-19 patients in Indonesia. community in Ternate City. The population in this study was all Covid-19 data recorded in medical records at the City Health Center in 2020, as many as 118 civid 19 sufferers. The sampling technique was carried out by the total sample method. The research was carried out in 2020. The results of the univariate analysis describe the distribution of respondents based on demographic characteristics (gender, education level, occupation, knowledge, family support attitudes and preventive behavior), with COVID-19 disease.
The Effect Of Return On Assets, Laverage And Earnings Per Share On Stock Prices With Dividend Policy As Moderating Variables On Property And Real Estate Companies Listed On The Indonesia Stock Exchange For 2016-2019 Period Sari Manullang, Nova; Pakpahan, Efendy; Br Tarigan, Aremi; Noviyanti Simorangkir, Enda
International Journal of Science, Technology & Management Vol. 3 No. 6 (2022): November 2022
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v3i6.658

Abstract

This study aims to examine and analyze the effect of Return On Assets, Laverage, Earning Per Share on Stock Prices with Dividend Policy as moderating variables in property and real estate companies listed on the Indonesia Stock Exchange during the 2016-2019 period. Sample selection was done by using purposive sampling method. The data used is secondary data obtained from the website www.idx.co.id. Data analysis was carried out by calculating the PLS Algorithm using SmartPLS and then testing the hypothesis. The results show that Return On Assets and Earning Per Share have a significant effect on the direction of a positive relationship to Stock Prices, while Laverage has no effect on Stock Prices, and Dividend Policy is able to moderate the effect of Return On Assets on Stock Prices, while Dividend Policy is not able to moderate the influence of Laverage. and Earning Per Share to Share Price.
Influence Of Marketing Strategy And Service Quality On Purchase Decisions Through Consumer Satisfaction As Intervening Variables In Hotel Permata Land Rantau Prapat Dame Masterina, Olivia; Pakpahan, Efendy; Ariesa, Yeni; Syaifuddin, Syaifuddin
International Journal of Science, Technology & Management Vol. 3 No. 6 (2022): November 2022
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v3i6.659

Abstract

The purpose of this study was to determine the effect of service quality on purchasing decisions through customer satisfaction at Hotel Permata Land Rantau Prapat. The number of samples taken in this study using the Lemeshow formula, namely 96 people. Determination of the sample in this study was carried out by non-probability sampling. The method used is path analysis. Based on the results of the study, it was found that the marketing strategy had a significant positive effect on the purchasing decision of Permata Land Hotel. Service quality has a significant positive effect on purchasing decisions, marketing strategy has a significant positive effect on consumer satisfaction, then service quality has a significant positive effect on consumer satisfaction, consumer satisfaction has a significant positive effect on purchasing decisions, marketing strategy has a significant positive effect on consumer satisfaction at Permata Land Hotel. The results of this study indicate that the better the marketing strategy carried out by the company affects purchasing decisions so that the level of consumer satisfaction will be high, it can be seen from the value of the significant results of marketing strategies that affect purchasing decisions through customer satisfaction obtained. Service quality has a significant positive effect on purchasing decisions through customer satisfaction.
The Effect Of Job Pressure, Organizational Commitment And Job Satisfaction On Employee Performance With Motivation As A Moderating Variable In Rsu Royal Prima Medan Tarigan, Earnasta; Pakpahan, Efendy; Romy, Elly; Suranta Karo Sekali, Abednego
International Journal of Science, Technology & Management Vol. 3 No. 6 (2022): November 2022
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v3i6.660

Abstract

This study aims to partially analyze the effect of job pressure, organizational commitment and job satisfaction on the performance of medical employees and non-medical employees at RSU Royal Prima Medan, analyze the moderating motivation to strengthen the effect of job pressure on the performance of medical and non-medical employees, analyze the moderating motivation to strengthen the influence organizational commitment to the performance of medical employees and non-medical employees, analyzing the moderating motivation to strengthen the effect of job satisfaction on the performance of medical employees and non-medical employees of RSU Royal Prima Medan. This study uses a quantitative description of the instrument questionnaire, the population is 692 medical and non-medical people, the sampling technique of probability sampling is calculated using the Slovin formula so that the number of samples is 87 people. The data analysis technique used the instrument quality test, the use of classical assumptions, moderated linear regression, t test (partial) and F test (simultaneous), the coefficient of determination test.
Analysis Of Debt To Total Asset, Return On Asset, Cash Ratio And Their Impact On Dividend Payout Ratio With Firm Size As Intervening Variable In Go Public Companies In The Primary Consumer Goods Sector That Recorded In Idx Period 2017-2019 Raja David Hamonangan Damanik, Yan; Toni, Nagian; Romi, Elly; Purba, Kuras
International Journal of Science, Technology & Management Vol. 3 No. 6 (2022): November 2022
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v3i6.661

Abstract

This study aims to analyze the effect of Debt to Total Assets, Return On Assets, Cash Ratio on Dividend Payout Ratio with Firm Size as an Intervening Variable in Go Public Companies in the Primary Consumer Goods sector recorded in IDX for the 2017-2019 period. The population in this study are consumption companies with food and beverage, cigarettes, pharmaceuticals, cosmetics and household goods and household appliances sub-sectors. The sampling technique used was purposive sampling, in order to obtain 22 companies with 3 years of observation to 66 observations. The data analysis tool uses SmartPLS 3.0. The results of the analysis show that DAR, ROA, and Cash Ratio have a positive but not significant effect on Dividend Policy, Firm Size has a positive and significant effect on DPR, Firm Size is not able to mediate the influence of DAR, ROA, and Cash Ratio on DPR policy. DAR, ROA, and Cash Ratio can explain the DPR by 16.5% while the remaining 83.5% is explained by other variables. Suggestions for investors to choose a company that has a high DAR, ROA, and Cash ratio and a large Firm Size.

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