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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 30 Documents
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Search results for , issue "Vol. 4 No. 6 (2023): November 2023" : 30 Documents clear
The Morphotectonic And Neotectonic Response In Apaumagida, Enarotali And Pegunungan Legare Area Papua Gultom, Maran; George Aiwoy, Fence; Kornelis Tipawael, Theopilus; Anakotta, Saneraro
International Journal of Science, Technology & Management Vol. 4 No. 6 (2023): November 2023
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v4i6.857

Abstract

The verification of morpho-tectonic responses were indicated by changing of the lineament, the river segment azimuth, the mountain front sinuoucity, the mountain front facet in rock formation between lately and early geological period, controlled by neotectonic for bifurcation ratio and drainage density in Quarternary morphometry. There are three research areas namely Apaumagida Area represented by Permian–Triassic at coordinate 135°18’11,88” E - 135°43’20,14” E and 3°56’17,59” S - 4°8’28,44” S, Enarotali Area represented by Cretaceous–Paleocene at coordinate 136°18’45,08” E - 136°29’42,00” E and 3°53’34,75” S - 4°5’16,03” S, and Legare Mountain Area represented by Tertiary– Quarternary at coordinate 135° 28’ 54,87” E - 135° 47’ 16,80” E and 3° 25’ 31,17” S - 3° 6’ 6,25” S. Conclusion by different test and regression-correlation test for lineaments, river segments, mountain front sinousity and mountain face facet between Permian -Triassic, Cretaceous-Palecene and Tertiary - Quarternary are significant different to indicated that tectonic roled actively in geomorpho-tectonic in research area. Furthermore, by the neotectonic controlled, there is similarity between bifurcation ratio and drainage density in Quarternary indicated that tectonic roled actively to forms morphology in Central Mountain Papua.
Strategy To Increase The Competitiveness Of Umkm In The Tourism And Creative Economy Sector Of Samosir Regency With Go-Digital And Transformational Leadership Ekana Nainggolan, Lora; Triapnita Nainggolan, Nana; Lie, Darwin
International Journal of Science, Technology & Management Vol. 4 No. 6 (2023): November 2023
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v4i6.952

Abstract

MSMEs in the tourism sector play an important role in business development and continue to contribute to economic strength and social development in various countries, one of which is Indonesia, and support each other and contribute to generating foreign exchange for the country. The euphoria of the world community has caused tourism visits to increase, especially after Indonesia officially hosted World Tourism Day or World Tourism Day 2022, which had the impact of becoming increasingly well-known to the tourism sector, especially Samosir Regency. This research took a population of 462 MSMEs in Samosir Regency with a sampling technique, namely cluster random sampling with a sample size of 150 MSMEs in 2 Districts of Samosir Regency. Data sources include secondary data originating from relevant agencies and primary data directly from business actors. Data collection techniques use interview documentation and questionnaires. The research results showed that the influence of Go-digitalization and transformational leadership was positive and significant on competitive strategies for MSME actors in the Tourism and Creative Economy sectors of Samosir Regency. The development of digital technology is increasingly rapid, especially after the pandemic disaster. This also encourages community actors to shop online. It's no wonder that electronic trading platforms are selling well as people's choice for shopping and transactions. MSME digital acceleration is carried out to build competitiveness so that MSMEs can be stronger. Transformational leadership is the process of mobilizing all one's abilities to influence, move, direct other people. Transformational leadership is a process of mobilizing all one's abilities to influence, move and direct other people. The suggestion from this research is government support to encourage and provide assistance to business actors so they are able to compete with other tourism industries. One form of support is for the government to provide space for learning to realize technological literacy through outreach and training to business actors. Then we need to utilize new marketing strategies, actively producing goods that consumers can buy directly for the types of products that are currently on the rise during the pandemic.
The Impact Of Covid-19 Pandemic On The Economic Of Oil Palm Smallholders Household Income In Muaro Jambi District Edison, Edison
International Journal of Science, Technology & Management Vol. 4 No. 6 (2023): November 2023
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v4i6.958

Abstract

In a two years ago, Covid-19 pandemic has caused major problems for smallholder oil palm, with an impact on the smallholder household income and biodiversity as well. Research objective is to evaluate Covid-19 pandemic impact on the smallholder's household income of oil palm that include both on-farm and off-farm sources. Research was done in the Muaro Jambi district in the beginning of 2022 and uses cross-sectional data from 120 respondents. The analytical models used in this study are qualitative and quantitative methods. The sample of pre-Covid-19 pandemic data differs from what was seen at the study site during Covid-19 pandemic, and people due to technical constraints at the study site. The important contribution of research is supporting empirical meaning of how come Covid-19 influence economic behaviour of many variable entities in Muaro Jambi smallholder farmer household income and strategic information on the impact of Covid-19 pandemic on the economy of oil palm smallholder's household income. The research result showed that there was significantly difference between average smallholder household income before Covid-19 pandemic and during Covid-19 pandemic, there was significantly differ between the average cost of smallholder household needs before Covid-19 and during Covid-19 pandemic and also there was significantly differ between the rate of smallholder household income capability. Before the Covid-19 pandemic, the income rate of smallholder households that were able to finance their consumption was about 61.67% higher than during the Covid19 pandemic, which was around 51.34%.
Skinophile: The Art Of Skincare Selection With Haar Wavelet Wibisono, Giovanni; Setiawan, Johan; Sulaiman, Agus
International Journal of Science, Technology & Management Vol. 4 No. 6 (2023): November 2023
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v4i6.960

Abstract

In this study, a mobile application has been developed with the primary objective of classifying facial skin types to facilitate the selection of appropriate skincare products tailored to individual skin needs. The motivation behind this research stems from the widespread issue of individuals being unaware of their specific skin types, which often leads to suboptimal skincare routines and, in some cases, adverse effects such as skin dullness and damage. To address this challenge, a comprehensive problem-solving approach has been adopted. The methodology encompasses the utilization of the Haar Wavelets method for facial image feature extraction, complemented by the application of the Support Vector Machine (SVM) algorithm for precise skin type classification. Face Recognition technology has also been integrated to enhance the accuracy and reliability of the classification process.In terms of system development, an Agile methodology has been employed, facilitating swift and cost-effective project completion. This agile approach ensures the development process is efficient, reducing both time and financial resources.The mobile application developed for this purpose utilizes the Python programming language, specifically incorporating the PyWavelets library. The culmination of this research effort is a user-friendly mobile application that enables users to capture their facial images. Subsequently, the application employs advanced algorithms to identify their specific skin type, providing personalized recommendations for suitable skincare products and routines. This innovative solution aims to empower individuals with the knowledge and tools necessary to enhance the effectiveness of their skincare regimen, ultimately promoting healthier and more radiant skin.
Digital Marketing Communication Model on Digibank Indonesia Susilo, Daniel
International Journal of Science, Technology & Management Vol. 4 No. 6 (2023): November 2023
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v4i6.964

Abstract

Digibank, a progressive private bank, has consistently targeted younger demographics with its campaigns. Offering free administrative charges on transfers, Digibank has positioned itself as a brave and innovative player in the financial sector. However, its promotion of student loans raises questions about the alignment between its financial literacy efforts and its product offerings. This paper explores this paradox within Digibank Indonesia's Instagram campaigns. The study employs content analysis to investigate posts from Digibank Indonesia's Instagram account over a one-year period (2023-2024). The focus is on messages related to financial literacy, free transfer services, and student loans. The findings reveal that while Digibank promotes financial literacy and offers attractive banking services such as free transfers, it also actively promotes student loans. This marks a significant acknowledgment that student loan debt is an emerging issue in Indonesia. These findings have implications for both policy-makers and consumers. For policy-makers, understanding how banks communicate about products like student loans can inform regulations around financial advertising. For consumers, particularly young people who are the primary targets of these campaigns, this research highlights the need for critical engagement with banking advertisements.
Phytochemical Screening And Antibacterial Activity Of The Ethanol Extract Of Putri Malu (Mimosa Pudica Linn.) Leaves Combined With Klanceng Honey Against Staphylococcus Aureus Bacteria Dalimunte, Khairunnisa; Arianto, Anayanti; Salim, Emil
International Journal of Science, Technology & Management Vol. 4 No. 6 (2023): November 2023
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v4i6.965

Abstract

Mimosa pudica Linn. Leave and honey have been known to have antibacterial activity. The combination of the two is very beneficial as an antibacterial because the hydrogen peroxide content in honey and the flavonoid metabolite compounds in Putri Malu provide a synergistic effect as an antibacterial. The aim of this research was to determine the activity of the ethanol extract of Putri Malu leaves combined with Klanceng honey using the disc diffusion method against Staphylococcus aureus bacteria. The results showed that the resulting extract was thick and blackish-green in colour, with a yield of 25.6%. The results of the phytochemical screening test showed that Putri Malu extract contains alkaloids, flavonoids, glycosides, saponins, and tannins. Characterization results showed that the water content of the extract was 7.28 ± 0.05, water-soluble essence content was 16.03 ± 0.08, ethanol-soluble essence content was 19.65 ± 0.01, total ash content was 4.70 ± 0.00, and essence content acid soluble was 0.17±0.02. Antibacterial testing showed that the best ratio of Putri Malu leaf extract to honey to inhibit Staphylococcus aureus was 9:1, with an inhibitory value of 13.60 ± 0.40 mm. In conclusion, the combination of Putri Malu leaf extract with honey strongly inhibits the growth of Staphylococcus aureus bacteria.
Visualization and Forecast for Pollution Death Threats in ASEAN Axel Wijaya, Kimi; Sunardi Oetama, Raymond
International Journal of Science, Technology & Management Vol. 4 No. 6 (2023): November 2023
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v4i6.970

Abstract

Air pollution is a serious problem experienced by all countries because it can cause many health problems and even death. The situation in countries of the Association of Southeast Asian Nations or ASEAN is the high air pollution-related mortality rates, especially in countries like Laos, Myanmar, and Cambodia, which face elevated risks due to poor air quality. Raising public awareness about air pollution requires a concerted effort involving various strategies and channels. The paper provides research findings on air pollution, including data on air pollution-related deaths, regional variations, and forecasting using Tableau software. It underscores the need to address air pollution challenges, particularly in ASEAN, to protect public health. Due to industrialization, ASEAN countries are grouped into high and low mortality clusters and ongoing air pollution challenges in Asia. Continued efforts are needed, especially in Myanmar, Cambodia, the Philippines, and Laos.
Design And Development Of A Portable Alcohol Testing Device For Motorists Saputri, Fahmy Rinanda; Gregorius Radithya, Linus
International Journal of Science, Technology & Management Vol. 4 No. 6 (2023): November 2023
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v4i6.971

Abstract

This research aims to design and develop a portable alcohol testing device that can be used to check whether prospective drivers have consumed alcohol before driving. The device is designed with the goal of improving road safety by reducing the risk of accidents caused by intoxicated drivers.In this study, we used the Figaro TGS 2620 alcohol sensor. The device is also equipped with a 16x2 LCD that displays test results directly and accurately. Additionally, we added indicators in the form of LEDs and a buzzer for signaling. The device we designed utilizes an Arduino UNO microcontroller.The test results and evaluations indicate that the portable alcohol testing device can respond to changes in alcohol levels around the sensor. When subjected to a non-alcohol condition, the device shows an average voltage reading of 0.69 V, whereas when subjected to the presence of alcohol, the device exhibits an average voltage reading of 3.97 V.
Innovations in Software Configuration: Introducing a Data Comparison Tool Based on the Myers Diff Algorithm Augustino, Lorentzo; Kusnadi, Adhi; Vasty Overbeek, Marlinda
International Journal of Science, Technology & Management Vol. 4 No. 6 (2023): November 2023
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v4i6.974

Abstract

In the realm of software project development, it's not uncommon for changes to emerge at various stages of a project's lifecycle. Such alterations can manifest in virtually every facet of the software development process, from conceptual design decisions down to the minutiae of the source code. To proficiently manage and track these dynamic changes, professionals turn to a specialized toolset known as Software Configuration Management (SCM). One of the standout features that SCM tools bring to the table is the 'diff' capability. This functionality allows developers to identify and review the disparities between two versions of source code. Recognizing the importance and utility of this feature, the primary objective of this research is to create an advanced diff application. This application, by leveraging the Myers Diff algorithm, is meticulously designed to pinpoint and showcase differences in characters between two sets of text-based data. Moreover, it accentuates these differences by visually highlighting the contrasting characters between the two datasets. To ensure the reliability and accuracy of this newly developed tool, we undertook a series of validation tests. We juxtaposed the results from our application against those from a comparable existing tool. Impressively, the discrepancies in results were minimal, with a marginal difference of just 1%. This suggests not only the utility but also the precision of our application in real-world software development scenarios.
Optimizing Educational Institutions: Web-Based Document Management Hanif Triyana, Muhammad; Indah Fianty, Melissa
International Journal of Science, Technology & Management Vol. 4 No. 6 (2023): November 2023
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v4i6.976

Abstract

Documents, which consist of written or printed materials, play a crucial role in educational activities. Private schools in Tangerang still face challenges in efficiently storing, accessing, and managing educational documents. Manual document storage consumes a significant amount of time and physical space. Therefore, a technology-based solution is required to address this issue. This research aims to develop a web-based Document Management System (DMS) that allows teachers and school staff to easily manage, store, and access educational documents digitally. The software development method employed is the Waterfall model, involving a series of stages ranging from needs analysis to testing and implementation. The outcome is a web based DMS application accessible to teachers in the school. This application enables teachers to view, upload, edit, and download teaching materials effortlessly. Additionally, teachers can manage their teaching schedules and user access rights. The usability of DMS has been tested through User Acceptance Testing (UAT), and users have provided positive feedback on the application. This web based DMS effectively addresses the issues related to document storage in schools, enhancing the efficient management of educational documents, reducing dependence on physical documents, and increasing productivity in the learning process. Consequently, this DMS holds great potential as a valuable tool in the educational context of the school.

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