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INDONESIA
Jurnal Inkofar
Published by Politeknik Meta Industri
ISSN : 26153645     EISSN : 25812920     DOI : https://doi.org/10.46846/jurnalinkofar.v9i1
Core Subject :
INKOFAR Journal is an international peer-reviewed journal published by Politeknik META Industri Cikarang. The journal provides a scientific platform for academics, researchers, practitioners, and professionals to publish original research articles, review papers, case studies, and applied research findings. The journal focuses on multidisciplinary studies in the following fields: 1. Industrial Engineering Production and Operations Management Supply Chain and Logistics Management Ergonomics and Human Factors Quality Engineering and Quality Control Systems Engineering and Optimization Sustainable Manufacturing Decision Support Systems Industrial Management and Productivity 2. Computer Engineering and Informatics Artificial Intelligence and Machine Learning Software Engineering Data Science and Big Data Analytics Internet of Things (IoT) Computer Networks and Cybersecurity Information Systems Web and Mobile Application Development Human-Computer Interaction 3. Pharmacy and Health Technology Pharmaceutical Technology Pharmacology and Toxicology Clinical and Community Pharmacy Herbal and Natural Product Research Drug Delivery Systems Biomedical and Health Innovation Pharmaceutical Chemistry Public Health and Healthcare Technology INKOFAR Journal welcomes interdisciplinary research that contributes to scientific development, technological innovation, sustainability, and practical solutions for industry and society.
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Articles 8 Documents
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Search results for , issue "vol. 9 no. 2 (2025)" : 8 Documents clear
ANALISIS KELAYAKAN USAHA KECIL RFP WAROENG TANSU Hafiza Aprilia; Fadil Abdullah; Siti Nurhamidah
INKOFAR Vol. 9 No. 2 (2025)
Publisher : Politeknik META Industri Cikarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46846/inkofar.v9i2.8

Abstract

that offers traditional ketan (sticky rice) dishes with modern toppings. The study explores whether the business can sustain profitability and growth in Bandung’s competitive culinary market local. The research problem focuses on determining whether Waroeng Tansu Om RFP is financially feasibility. The novelty in its focus integrates traditional culinary practices with modern digital strategies like food delivery platforms and proposes a dedicated business app. The research using method of market analysis (segmentation, targeting, and positioning) and financial feasibility assessment using. Data on costs, revenues, and customer demographics were analyzed. The findings reveal a positive NPV of Rp 1,131,557,216, an IRR of 79%, and a payback period within 3 years, with a BCR greater than 1, suggesting financial feasibility. The study concludes that Waroeng Tansu Om RFP is a viable business with potential for growth. The key takeaway is that combining traditional foods with modern innovations can lead to success in competitive markets
ANALISIS VARIASI WAKTU DELIGNIFIKASI DAN KONSENTRASI DEKSTRIN TERHADAP PEMBUATAN KERTAS TISU SERBET DARI LIMBAH TONGKOL JAGUNG Raiqa Biyan Sukmawijaya; Vika Rizkia; Emmidia Djonaedi
INKOFAR Vol. 9 No. 2 (2025)
Publisher : Politeknik META Industri Cikarang

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Abstract

This study explores the potential of corn cobs as an alternative raw material for environmentally friendly tissue paper production. Corn cobs are rich in cellulose but contain lignin, which must be removed through a delignification process. In this research, soda delignification was applied with varied durations (30, 60, and 90 minutes), combined with the use of dextrin as a binding agent at concentrations of 5%, 10%, and 15%. The resulting tissue paper was evaluated based on Indonesian National Standards (SNI), focusing on tensile strength, water absorbency, sheet integrity, and grammage. The results showed that a delignification time of 60–90 minutes combined with 10–15% dextrin produced the best quality tissue paper. The sample treated for 60 minutes with 15% dextrin exhibited the highest tensile strength (400 N/m), while the sample treated for 90 minutes with 5% dextrin achieved the highest water absorbency (114 mm/10 minutes). These findings indicate that corn cob waste holds significant potential as a sustainable raw material for tissue paper production, supporting green manufacturing principles and agricultural waste valorization.
GAMBARAN TINGKAT PENGETAHUAN DAN PERILAKU MASYARAKAT TENTANG SWAMEDIKASI DI RT 01 RW 02 DESA TAMAN RAHAYU KECAMATAN SETU KABUPATEN BEKASI Siska Shintia; Tisa Amalia; Ayu Izzatin Haifa
INKOFAR Vol. 9 No. 2 (2025)
Publisher : Politeknik META Industri Cikarang

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Abstract

Health is a healthy condition of a person both physically, mentally, and socially, which is not only free from disease to enable him/her to live productively. One way for people to maintain health is through self-medication, which is the act of treating themselves. Self-medication is generally done to overcome complaints or minor illnesses such as fever, pain, dizziness, cough, influenza, stomach ulcers, worms, diarrhea, and other skin diseases. Self-medication must be done in a way that is appropriate for the disease experienced. Its implementation must meet the criteria for rational drug use, including the right choice of drugs, the right dose of drugs, no side effects, no contraindications, no drug interactions, and no polypharmacy. In practice, the use of drugs and drug doses, if errors occur continuously for a long time, is feared to pose a health risk. This study aims to determine the level of knowledge and behavior of the community about self-medication in RT 01 RW 02 Taman Rahayu Village, Setu District, Bekasi Regency. This type of research is descriptive quantitative with a cross-sectional approach method, using a questionnaire measuring instrument. Sampling was conducted using purposive sampling method that has met the inclusion and exclusion criteria of 85 respondents. The results of this study indicate the number of respondents who have good, sufficient, low levels of knowledge with percentages of 80%, 13%, and 7% respectively. The results of self-medication behavior measurements indicate that respondents who have appropriate, less, and inappropriate levels of behavior with percentages of 84%, 16%, and 0% respectively. Based on the results of the study, it can be concluded that the description of the level of knowledge and behavior of the community about self-medication in RT 01 RW 02 Taman Rahayu Village, Setu District, Bekasi Regency is good 80% and appropriate 84%.
POTENSI ANTIMIKROBA EKSTRAK DAUN PUDING HITAM(Grapthophylum pictum L. Griff) TERHADAP PERTUMBUHAN BAKTERI Bacillus subtilis, Lactobacillus rhamnosus DAN JAMUR Malassezia globosa DENGAN METODE KLT-BIOAUTOGRAFI Goldha Faroliu; Rahcmatul Afara
INKOFAR Vol. 9 No. 2 (2025)
Publisher : Politeknik META Industri Cikarang

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Abstract

Grapthophylum pictum L. Griff or Handeuleum Leaf is a plant that is widely cultivated in Indonesia for its leaves. The flavonoid, phenolic, steroid and terpenoid compounds contained in the ethanol extract of Handeuleum Leaf has antimicrobial activity. The aim of this study was to determine the results of phytochemical screening and their antimicrobial activity. The Handeuleum leaf extraction process is carried out using the maceration method, then identifying the compounds using the TLC method. The TLC results showed that there were active compounds in Grapthophylum pictum L. Griff in the form of flavonoids, phenols, steroids and terpenoids. Testing antimicrobial activity using the TLCBioautography method against Bacillus subtilis bacteria at a concentration of 30% found all compounds. And the bacteria Lactobacilus rhamnnosus at a concentration of 30% in compounds 1, 2, 6, 7, and 8 showed antibacterial activity, while compounds 3, 4, and 5 did not show antibacterial activity. Meanwhile, against the fungus Malassezia globosa at a concentration of 30%, compounds 1, 2 and 3 showed antifungal activity and compounds 4, 5, 6, 7 and 8 did not show antifungal activity.
ANALISIS KETERSEDIAAN OBAT DENGAN FORMULARIUM NASIONAL DI PUSKESMAS Y Neng Widia Ningsih; Tisa Amalia; Aulia Asmawati
INKOFAR Vol. 9 No. 2 (2025)
Publisher : Politeknik META Industri Cikarang

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Abstract

Adequate drug availability is a crucial component of healthcare services at Community Health Centers. Drug shortages can disrupt services and reduce patient trust, while overstocking risks expiration and financial loss. The National Formulary (Fornas) serves as a reference for selected drugs to ensure treatment quality. However, its implementation in health facilities still faces challenges. This research aimed to analyze the conformity of drug availability with the National Formulary and the percentage of drug availability level at Y Community Health Center in 2024. The study applied a descriptive method with a retrospective approach. The population included all drugs available from January to December 2024, with a total of 94 types, using total sampling technique. Data were collected from drug stock cards and monthly drug usage reports (LPLPO). Data analysis was performed by comparing the drug list with the National Formulary and calculating drug availability levels based on stock coverage time. The results showed that the conformity rate of drug availability with the National Formulary was 98.94%. Meanwhile, the percentage of drug availability level was categorized as 36.56% insufficient, 24.73% safe, and 38.71% excessive. It is concluded that drug availability at Y Community Health Center has not met the standard indicator of 100% conformity with the National Formulary and 100% safe availability level. This condition indicates inefficiency in drug management planning, which can disrupt rational drug use. Improvements in drug planning and monitoring are recommended.
ANALISIS PENGELOLAAN STOK OBAT BERDASARKAN PERSENTASE WAKTU KEKOSONGAN DAN NILAI OBAT KADALUARSA DI PUSKESMAS X Maya Nurul Paidah; Tisa Amalia; Ayu Izzatin Haifa
INKOFAR Vol. 9 No. 2 (2025)
Publisher : Politeknik META Industri Cikarang

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Abstract

Effective drug stock management is crucial for ensuring medication availability and minimizing financial losses due to expired drugs in primary healthcare facilities. This study aimed to analyze drug stock management based on the percentage of stockout time and the value of expired drugs at Public Health Center (Puskesmas) X. This descriptiveanalytical research employed a mixed-method approach conducted from January to December 2024. Data were collected through observation, interviews, and document review. Quantitative data were analyzed using formulas for stockout percentage and expired drug percentage, while qualitative data were analyzed thematically. The results showed a stockout percentage of 23.87%, with 47 out of 94 indicator drugs experiencing stockouts. The expired drug percentage was 2.12%, with a total financial loss of IDR 2,693,966. The main causes were ineffective distribution, changing disease trends, and inaccurate planning. In conclusion, drug management at Puskesmas X is not yet optimal, as indicated by high rates of stockouts and expired drugs. Improvements in planning, distribution, and monitoring are required.
ANALISIS SISTEM ANTRIAN PELAYANAN DI BANK JATENG KANTOR UNIVET DENGAN METODE WIN QS Darsini; Mathilda Sri Lestari; Suprapto
INKOFAR Vol. 9 No. 2 (2025)
Publisher : Politeknik META Industri Cikarang

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Abstract

Queueing problems at service facilities often lead to long waiting times during peak hours. At the Bank Jateng service counter located at Univet, which serves both students and surrounding residents, queue congestion frequently occurs at the beginning of the month and during certain service hours. This study aims to analyze the queueing system at the Bank Jateng Univet Office using a single-channel, single-phase (M/M/1) queueing model. The analysis was conducted using WinQSB software based on primary data collected through direct observation during operational hours and interviews with bank staff. The results show that the average customer arrival rate (λ) was 23 customers per hour, while the service rate (μ) was 26 customers per hour. The average number of customers in the system (Ls) was 11 people, with an average queue length (Lq) of 10 people. The average time spent in the system (Ws) was 0.5 hours. The service facility utilization rate (ρ) reached 88.46%, indicating a high workload level. Although the system operates under stable conditions, service capacity improvements are recommended to reduce waiting times during peak periods.
A MATHEMATICAL MODEL OF GPS SATELLITE TIME AND FREQUENCY BASED ON THE SPECIAL THEORY OF RELATIVITY Endah Purnomosari; Siska Astari Dewi; Wiwiek Eka Mulyani; Valentinus Galih Vidia Putra; Fadil Abdullah
INKOFAR Vol. 9 No. 2 (2025)
Publisher : Politeknik META Industri Cikarang

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Abstract

The Global Positioning System (GPS) relies on highly precise atomic clocks in satellites and ground stations to determine global time and position accurately. Relativistic effects, including gravitational fields and satellite orbital motion, induce frequency shifts in these clocks, necessitating corrections for accurate navigation. This study developed a novel approach to integrate general coordinates into GPS, emphasizing implementation simplicity. We investigated the application of special relativity to calculate time and frequency shifts in GPS satellites. Our analysis estimated a daily relativistic correction of approximately 21.6 microseconds, with a positional imprecision of 6.48 km per day if uncorrected. By employing a general time-space coordinate system, we calculated position4 and velocity-4 vectors, accounting for special relativistic effects on GPS time and frequency. The proposed method simplifies relativistic corrections while enhancing their conceptual clarity. Results demonstrate improved precision and efficiency in GPS positioning through the integration of general coordinates with a streamlined approach. This research offers valuable insights for international engineering communities, scholars, and practitioners, advancing the understanding of relativity’s impact on GPS satellite operations.

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