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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 BI Rate, Inflation, and Exchange Rate on The IDX Composite Stock Index (IHSG) Ratnaningrum, Ratnaningrum; Putri, Bella Kharisma; Wulandari, Retno; Purnama, Kusna Djati
International Journal of Science, Technology & Management Vol. 4 No. 2 (2023): March 2023
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v4i2.779

Abstract

This study investigates the impact of variations in the BI rate, inflation rate, and the USD/IDR (US Dollar to Indonesian Rupiah) exchange rate on the IDX Composite Index (IHSG). The Composite Stock Price Index is one of the resources that investors use to choose their investing strategy. Inflation, exchange rates, business interest rates, and the IHSG are among the variables that make up the sample used in this study, which spans 60 months from January 2015 to December 2019. The analysis of the data was done using multiple regression methods. According to the findings, the IHSG is negatively impacted by changes in the BI rate, positively impacted by changes in the USD/IDR exchange rate, and not impacted at all by changes in the inflation rate. Additional analysis should look at additional potential macroeconomic factors.
Effect Of Sea Moisture Content On Corrosion Hull Of A Warship Made By PT Pal Indonesia Lamablawa, Florianus; Aritonang, Sovian
International Journal of Science, Technology & Management Vol. 4 No. 2 (2023): March 2023
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v4i2.780

Abstract

Seawater temperature ranges from -2 0 c to 300 c. Low temperatures are usually found in seawater around the poles and on the deep seabed. Meanwhile, high seawater temperatures are found in the sea in the Arid area. The Red Sea and Bab El Mandeb have temperatures of about 290 c to 300. Corrosion is a subject matter that concerns various disciplines, or in other words, it connects elements of physics, chemistry, metallurgy, electronics and engineering. This study uses the literature review study method to collect, identify, evaluate the effect of seawater content on the corrosion of the hulls of warships made by PT Pal Indonesia. An effective corrosion control strategy should be selected with the selection of suitable coatings for the marine environment. Hull plating with paint has a special function to protect the construction of the hull, especially those located below the waterline and the construction of the ship above the waterline.
Phytochemical Screening of Phaleria macrocarpa (Scheff.) Boerl.) and Antibacterial Activity Test of Ethanol Extract Against Staphylococcus aureus Bacteria Rizki, Muhammad; Harahap, Urip; Sitorus, Panal
International Journal of Science, Technology & Management Vol. 4 No. 2 (2023): March 2023
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v4i2.781

Abstract

Phaleria macrocarpa is known as one of the medicinal plants in Indonesia. Almost all parts of the plant have chemical content that is useful for being used as medicine. The growing use of crown plants by the community for various diseases requires a series of tests to obtain traditional medicine preparations that are safe for human use. The purpose of this study was to identify the content of secondary metabolite compounds (alkaloids, flavonoids, saponins, tannins, steroids, triterpenoids, and glycosides) and the antibacterial activity of Staphylococcus aureus with the good method because the good method has the advantage that it is easier to measure the area of the inhibition zone formed because an antibacterial activity is not only on the upper surface of nutrient agar but also at the bottom. The results of phytochemical screening showed that the flesh of Phaleria macrocarpa (Scheff). The results of testing the antibacterial activity of an ethanol extract of crown Phaleria macrocarpa (Scheff) fruit flesh (Boerl) were positive for alkaloids, flavonoids, glycosides, saponins, tannins, and steroids. Boerl.) showed effective results at a concentration of 40 mg/ml against Staphylococcus aureus bacteria with an inhibition zone diameter of 14 mm; the antibacterial activity was categorized as strong.
Simultaneous Analysis of Tablets Content Vitamin C And Zinc In Visible Spectrophotometry Sulasmi, Sulasmi; Muchlisyam, Muchlisyam; Haro, Ginda
International Journal of Science, Technology & Management Vol. 4 No. 2 (2023): March 2023
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v4i2.782

Abstract

Most drugs on the market contain multiple active ingredients, each of which is intended to enhance the drug's therapeutic effect and ease of administration. Determination of the levels of efficacious substances in drug preparations is essential for agencies that conduct drug determinations, such as the Food and Drug Supervisory Agency (BPOM) and the drug industry; therefore, a rapid and dependable analytical method, as well as relatively inexpensive and easily accessible tools and operational costs, are required. In practice, however, it can produce accurate and precise results. This research will be conducted by optimizing the solvent and simultaneously analyzing the levels of Vitamin C and Zinc in the tablet preparation without any separation step using visible spectrophotometry. Vitamin C and Zinc were found to be soluble in a mixture of methanol and water with a ratio of 50:50 after a single examination with the addition of the complexing agent dhitizon at a concentration of 0.1%, which produced a pink color. Calculation of Vitamin C and Zinc's linearity. The linearity value described is the correlation coefficient value for both Vitamin C and Zinc, which is very close to one, indicating an excellent relationship between the drug concentration and the absorbance value. This also suggests that absorbance will increase as concentration increases. The method validation requirements for linearity, accuracy, and precision as well as the limit of detection (LOD) and the limit of quantification (LOQ) were met by the analytical method validation with promising results.
Determinant Factors Customer Satisfaction and its Implication on Customer Loyalty: From the Perspective of Customers of Vespa Tannady, Hendy; Purnamaningsih, Purnamaningsih
International Journal of Science, Technology & Management Vol. 4 No. 2 (2023): March 2023
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v4i2.786

Abstract

This study intends to examine the relationship between brand equity, product quality, and service quality, as well as their partial and simultaneous effects on consumer satisfaction and loyalty. Path analysis is the data processing technique employed by researchers. 100 Vespa customers served as the sample for this study's respondents. Primary data were gathered as a consequence of respondents' responses to the questionnaires that were sent out. According to the findings from the first equation, brand equity, product quality, and service quality all have a simultaneous and partial impact on customer happiness. According to the study's findings, the variables of product quality, service quality, brand equity, and customer happiness have a simultaneous and partial impact on customer loyalty based on the second equation.
The Impact Of Marketing Strategy On Consumer’s Impulsive Buying Behavior On Tiktok Live Aulia Rahma, Safira; Ridanasti, Erlita
International Journal of Science, Technology & Management Vol. 4 No. 2 (2023): March 2023
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v4i2.789

Abstract

Live-streaming shopping is a new form of social commerce that is increasingly popular among Indonesian consumers, especially since the COVID-19 pandemic. However, research on live streaming s-commerce is still in its infancy. This study sheds new light on impulsive purchase behavior in TikTok Live. Based on the stimulus-organism-response (SOR) theory, this study introduces a marketing strategy in the form of 3 retail elements, “People-Product-Place” on scommerce live streaming from the perspective of consumer perception and aims to understand the impact of marketing strategy on impulsive buying behavior of TikTok Live consumers. This study used SEM-AMOS analysis with a purposive sampling method. A sample size of 170 respondents was conducted by distributing questionnaires to TikTok Live users with a shopping experience. The study’s results showed a significant effect on the variable relationship between perceived tiktok anchor attributes on impulsive buying behavior, perceived scarcity on involvement, immersion on involvement, and involvement on impulsive buying behavior. The findings of this paper provide suggestions to online retailers to focus more on increasing the engagement created by anchors, which ultimately makes them make impulse purchases
The Effect Of Transportation On Regional Economic Development In Aceh Tamiang Regency Iqbal, Muhammad; Rahim Matondang, Abdul; Rujiman, Rujiman
International Journal of Science, Technology & Management Vol. 4 No. 2 (2023): March 2023
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v4i2.790

Abstract

This research seeks to identify and explain the impact of transportation on regional economic development in the Aceh Tamiang Regency. This quantitative study relies on secondary data from the Central Statistics Agency (BPS) of Aceh Tamiang Regency for theyears 2013 to 2021. The method of data analysis is executed using the collected secondary data, which is first processed to determine the value of each variable. After collecting the data, it is tabulated so it can be analyzed using correlation and regression statistics to test the proposed hypotheses. According to the findings of this study, the calculated F of the output is 12.357 > 5.79, indicating that the length of the road and the number of vehicles have no significant effect on the growth of regional income in Aceh Tamiang Regency. In other words, the length of the road and the number of vehicles have no significant effect on employment opportunities in the Aceh Tamiang Regency, as determined by the F test
How Digital Thrift Shops Escalate Global Supply Chain Sustainability in Indonesia Annas, Mohammad; Humairoh, Humairoh
International Journal of Science, Technology & Management Vol. 4 No. 2 (2023): March 2023
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v4i2.791

Abstract

The intentions of the research were to explore and analyze youngsters’ behavior toward digital shopping in particular their awareness of clothing sustainability. The research also reconfirms the trends that the latest generations were able to contribute to green business sustainability in particular the way they spend on clothing and its accessories. The shopping was done digitally through youngsters’ social media networks and they simply endorse it in their feed and timeline to let their networks know what they had done related to clothing style and where they could buy it, and even they could exchange it with each other to seek the experiences. The data were collected from major forwarder logistics, transporters and couriers specifically delivered the thrift shops’ products within capital cities in Indonesia. Considering it was a new trend, the quantity was not as massive as the products shopped from the first official stores in the marketplace or e-commerce. Nevertheless, the trends were growing each month in 2022 with a growth of between 12% and 19% each month in 2022. The trends would continue growing as well as the sustainability both in clothing and supply chains.
The Effect Of Company Financial Performance On Stock Prices With Dividend Payout Ratio As Intervening Variables In Food And Beverage Sector Companies Jakataofik, Iik; S. Paranita, Ekayana; Ispriyahadi, Heri
International Journal of Science, Technology & Management Vol. 4 No. 2 (2023): March 2023
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v4i2.792

Abstract

The food and beverage industry (Food & Beverages Sector) is part of a rapidly growing manufacturing company in Indonesia. If measured by the number of companies listed on the Indonesia Stock Exchange from time to time, it is increasing. Food and beverage companies were chosen because they play an important role in meeting consumer needs, especially during the COVID-19 pandemic. Food and beverage companies are still alive compared to other sectors. This study aims to determine the effect of the company's financial performance on stock prices with the dividend payout ratio as an intervening variable in the food and beverage sector companies. Dethe science used is researchcausal associative (Causal Relationship) andcomparative. The type of data used in this survey is secondary data, with a sample of 14 2015-2021 annual reports of food and beverage companies listed on the IDX.This research uses SPSS and SmartPLS 3 software methods.Hasil from the study shows that solvency and activity have a significant effect on dividend payout ratioi and stock prices, while profitability and liquidity have no significant effect on dividend payout ratios and stock prices. Dividend payout ratio has an effect on stock pricesin food and beverage sector companies on the IDX. Bmeans Dividend payout ratio has an effect on stock prices. Financial performance, which consists of solvency and activity, has an indirect effect on stock prices mediated by the dividend payout ratio, while profitability and liquidity have no indirect effect on stock prices mediated by the dividend payout ratio. There is no significant difference between the average stock pricesfood and beverage companies before and during the covid-19 pandemic in Indonesia.
Online Consumer Product Purchasing Behavior Post Covid-19 Sungkawati, Endang; Anugerah, Roy; Almira Mardhiyah, Marsha
International Journal of Science, Technology & Management Vol. 4 No. 2 (2023): March 2023
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v4i2.793

Abstract

The rapid development of technology in the world has led to changes in culture and daily habits, making internet access easier. The internet has brought great changes to all aspects of life, particularly within the development of the business and marketing world, in line with the increasing number of internet users causing many companies to change the structure of people's shopping to be made online. This study aims to determine the effect of price, trust, convenience and security of online internet purchasing decisions both partially and simultaneously. This research was conducted using quantitative research methods. The analysis technique used in this research is multiple linear regression. The results shows partially that the convenience variable had a positive and significant effect on online purchasing decisions, while the price, trust, and security variables had either no or little significance on online purchasing decisions. Simultaneously, it is known that the variables of price, trust, convenience, and security has a positive and significant effect on online purchasing decisions.

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