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International Journal of Quantitative Research and Modeling
Published by Research Collaboration Community
ISSN : 27225046     EISSN : 2721477X     DOI : https://doi.org/10.46336/ijqrm
Core Subject : Science, Social, Engineering,
Computer Science & IT Decision Sciences, Operations Research & Management Engineering Environmental Science Physics
International Journal of Quantitative Research and Modeling (IJQRM) is published 4 times a year and is the flagship journal of the Research Collaboration Community (RCC). It is the aim of IJQRM to present papers which cover the theory, practice, history or methodology of Quatitative Research (QR) and Mathematical Moodeling (MM). However, since Quatitative Research (QR) and Mathematical Moodeling (MM) are primarily an applied science, it is a major objective of the journal to attract and publish accounts of good, practical case studies. Consequently, papers illustrating applications of Quatitative Research (QR) and Mathematical Modeling (MM) to real problems are especially welcome. In real applications of Quatitative Research (QR) and Mathematical Moodeling (MM): forecasting, inventory, investment, location, logistics, maintenance, marketing, packing, purchasing, production, project management, reliability and scheduling. In a wide variety of environments: community Quatitative Research (QR) and Mathematical Moodeling (MM), education, energy, finance, government, health services, manufacturing industries, mining, sports, and transportation. In technical approaches: decision support systems, expert systems, heuristics, networks, mathematical programming, multicriteria decision methods, problems structuring methods, queues, and simulation Computational Intelligence Computing and Information Technologies Continuous and Discrete Optimization Decision Analysis and Decision Support Mathematics Education Engineering Management Environment, Energy and Natural Resources Financial Engineering Heuristics Industrial Engineering Information Management Information Technology Inventory Management Logistics and Supply Chain Management Maintenance Manufacturing Industries Marketing Engineering Markov Chains Mathematics Actuarial Sciences Big Data Analysis Operations Research Military and Homeland Security Networks Operations Management Planning and Scheduling Policy Modeling and Public Sector Production Management Queuing Theory Revenue & Risk Management Services Management Simulation Statistics Stochastic Models Strategic Management Systems Engineering Telecommunications Transportation Risk Management Modeling of Economics And so on
Arjuna Subject : Matematika - Matematika (Lain-Lain)
Articles 8 Documents
 1 
Search results for , issue "Vol 4, No 2 (2023)" : 8 Documents clear
Analysis of the Marketing Channel of Palasari Arabica Coffee Beans Cecep Pardani; Waliah Mulyatillah; Luthfia Nur Fadhillah
International Journal of Quantitative Research and Modeling Vol 4, No 2 (2023)
Publisher : Research Collaboration Community (RCC)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46336/ijqrm.v4i2.446

Abstract

The coffee agro-industry has enough opportunities significant for conducted development where Thing could see from amount starting request increase. Ground coffee is one of the results of processing from coffee beans that have prospects as well as good market opportunities. This study aims to determine: Arabica coffee bean marketing channels in Giri Mekar Village, Cilengkrang District, Bandung Regency; The amount of Arabica coffee bean marketing margin at the level of Arabica coffee marketing agency in Giri Mekar Village, Cilengkrang District, Bandung Regency; The costs and benefits of Arabica coffee marketing in Giri Mekar Village, Cilengkrang District, Bandung Regency; Farmer's Share Arabica coffee in Giri Mekar Village, Cilengkrang District, Bandung Regency. The type of research used is a survey. Respondents in this study were 10% of Arabica coffee farmers in Giri Mekar Village as many as 30 people, 1 person collecting traders, and 5 industrial consumers. The results of this study indicate that there is one marketing channel for robusta coffee beans in Giri Mekar Village, Cilengkrang District, Bandung Regency, namely farmers, collector traders, and industrial Consumers. The amount of marketing margin on the marketing channel is IDR 75,000 per kilogram. The amount of marketing costs in the marketing channel is IDR 46,500 per kilogram. The marketing profit on the marketing channel is IDR 29,500 per kilogram. Farmer's Share on the marketing channel is 16.67%
The Character Education Based on Local Wisdom with Flipbook Assisted Digital Literacy Media in Online Learning Rina Andriani; Emas Marlina; Nenden Sri Rahayu
International Journal of Quantitative Research and Modeling Vol 4, No 2 (2023)
Publisher : Research Collaboration Community (RCC)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46336/ijqrm.v4i2.450

Abstract

Attitudes and behaviors that are in accordance with the noble values of Pancasila are preserved by character education based on local wisdom. The character education program begins with providing knowledge of local wisdom values, exemplary, providing motivation, habituation and enforcement of rules. The aims of this study are to design, create and implement local wisdom-based character education by using flipbook-assisted digital literacy as learning media in online learning. The research method was carried out in three steps: initial, core and final stages. The study was conducted at SMPN 1 Arjasari class VII-D consisting of 30 students. The results show that the students have a high interest and curiosity towards the material presented in the learning activities. Furthermore, the students’ responses regarding the use of digital literacy media are 98% of them enjoy learning with the use of flipbook-assisted digital literacy media and 3% do not. In terms of the content in the material presented in the flipbook, 90% of them were very satisfied, 5% said they were satisfied and 5% were not satisfied. To conclude, the character education based on local wisdom with digital literacy media assisted by flipbooks is appropriate to be used during online learning, the characters that emerge from the learning process are curiosity, high motivation, obedient, discipline and care of the local culture.
The Ethnomathematical Concept of Sundanese Local Wisdom through Building Space for the Earth Alit Kabuyutan West Java Site as the Development of Mathematics Learning Media Emas Marlina; Fadli Azis
International Journal of Quantitative Research and Modeling Vol 4, No 2 (2023)
Publisher : Research Collaboration Community (RCC)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46336/ijqrm.v4i2.449

Abstract

This research is motivated by the preservation of Sundanese culture in West Java which must be instilled in students through learning mathematics and students' mathematical understanding abilities. Based on this problem, an ethnomathematical-oriented learning media device for Sundanese local wisdom was developed through the spatial construction of the Bumi Alit Kabuyutan Site. The purpose of this study was to find out what types of buildings can be used as learning media for mathematics in Geometri and produce valid, practical, and effective mathematics learning media tools for the preservation of Sundanese culture as well as students' mathematical understanding abilities. The research method used is a mixed, namely the Plomp development method and the experimental method. The subjects in this study were class VIII Junior High School Bakti Nusantara in Bandung, West Java, with the sample consisting of 3 classes, namely the limited trial class, the control class, and the experimental class. The research instruments used include validation sheets, student activity observation sheets, implementation sheets of learning media devices, and student response questionnaires, and data collection techniques used include observation, interviews, and questionnaires. The ability of students' mathematical understanding of the geometrical material was measured using a student's mathematical understanding ability test. Data were analyzed by normality, homogeneity, and One Way ANOVA using SPSS. The results showed that (1) the resulting learning tools were valid, practical and effective, (2) the results of the One Way ANOVA test obtained a p-value 0.003 (sig < 0.05) value which indicates that the implementation of the developed learning tools has a significant effect. significant to the preservation of Sundanese culture and the ability of students' mathematical understanding. 
SPATIAL CLUSTERING-BASED GAS STATION LOCATION DETERMINATION Ayasda Rahardian; Eneng Tita Tosida; Ema Kurnia; Hairulnizam Mahdin
International Journal of Quantitative Research and Modeling Vol 4, No 2 (2023)
Publisher : Research Collaboration Community (RCC)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46336/ijqrm.v4i2.451

Abstract

The absence of gas stations built in Cibeber Subdistrict is not balanced with the high level of transportation use for ease of mobility among residents. The purpose of this research is to cluster data using K-Means clustering and spatial modeling to provide a potential location for the construction of gas stations in Cibeber District. Based on the research process that has been carried out using RStudio, the potential villages for the construction of gas stations consist of four villages, namely Cikotok, Cibeber, Neglasari, and Wanasari. As for the results of spatial modeling, Cibeber District has a total of 862 potential location points, and within the scope of potential villages, namely four villages, there are 233 potential location points. Then, after being processed with weighted products for optimization and getting the best location results, 3 potential locations were obtained, namely Tegalumbu Village located in Wanasari Village, Nagrak Village located in Cikotok Village, and Cinangga Village located in Cibeber Village.
DESIGN OF THE INVENTORY APPLICATION OF CV DIVA KARYA MANDIRI USING RAD (RAPID APPLICATION DEVELOPMENT) Halimah Tus Sadiah; Muhamad Saad Nurul Ishlah
International Journal of Quantitative Research and Modeling Vol 4, No 2 (2023)
Publisher : Research Collaboration Community (RCC)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46336/ijqrm.v4i2.377

Abstract

CV. Diva Karya Mandiri is a CV that is engaged in the production of shoes and sandals for both women and men. In the CV, there are approximately 390 kinds of products, of which 1 product produces more than 10,000 products. There is a large number of production of shoes or sandals so that the number of products that have been produced, the number of products sold and the number of sandals and shoes stored in the warehouse cannot be controlled. At a time when product demand is high, it turns out that the number of products in the warehouse does not match the amount. This study aims to build an inventory application on the Diva Karya Mandiri. The method used in this research is the RAD method which consists of 4 stages: Planning Requirements, User Design, Construction, and Cutover. This study succeeded in building an inventory application that has 11 main menus, namely the dashboard menu which contains a summary of information on goods and user data, goods data menu, supplier menu, incoming goods menu, outgoing goods menu, lending menu, user menu, goods report menu, menu logout, account menu, logout menu. Out of the 11 menus, there are 49 inputs functions tested. The test results show that the average value of the percentage of black box testing using the boundary value analysis method is 95.92%.
The Effect of Sugar Solution Concentration on Characteristics of Candied Dried Tomatoes (Solanum lycopersicum L.) Ida Ningrumsari; Moch Alhikam Afrijal R; Rimba Tsania Nurulhusna
International Journal of Quantitative Research and Modeling Vol 4, No 2 (2023)
Publisher : Research Collaboration Community (RCC)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46336/ijqrm.v4i2.445

Abstract

Tomatoes are a type of food that has high production and is a perishable food. In addition, the utilization of processed tomatoes as a food source is still not optimal. So, it is necessary to do the right food processing on tomatoes, one of which is processed into dried candied. The purpose of this study was to determine the concentration of sugar solution, so as to produce dried candied with good characteristics. The research was conducted at the Chemistry Laboratory and Food Processing Laboratory, Faculty of Agriculture, Ma'soem University from May to July 2022. The method used is the old experimental method, namely the Randomized Block Design (RBD) consisting of 6 (six) treatments and each repeated 4 (four) times. The treatments given were concentration A (40%), B (45%), C (50%), D (55%), E (60%), F (65%). The analysis in this study included water content, total dissolved solids. Meanwhile, organoleptic testing was carried out on the color, aroma, taste, and hardness of the dried candied produced. The results showed that the concentration of sugar solution had a significant effect on water content, total dissolved solids, and organoleptic properties. Only partially significant influenced the organoleptic properties of the dried candied produced. The results of the study can be concluded that the concentration of 55% sugar solution produces good characteristics of candied dried tomatoes, this determination is based on the level of color preference of 3.97, aroma of 4.38 and taste of 4.48 from a maximum value of 5.00, moisture content of 9.04% and total dissolved solids content of 62.80%. 
Feasibility Analysis and Break Even Point Celery Farming (Apium graveolens L.) Hydroponic Deep Flow Technique (DFT) System (Case Study on a Farmer in Kayuambon Village, Lembang District, West Bandung Regency) Tito Hardiyanto; Rena Riswana; Arneta Arneta
International Journal of Quantitative Research and Modeling Vol 4, No 2 (2023)
Publisher : Research Collaboration Community (RCC)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46336/ijqrm.v4i2.448

Abstract

Medicinal properties. The celery plant also contains many apiin glycosides (flavone glycosides, isoquercetin, and umbelliferons. It also contains, mannite, inocytes, asparagine, glutamine, choline, linamarose, pro vitamin A, vitamin C, and B. This study aims to determine the cost, R/C Ratio, break-even point (BEP) of celery hydroponic farming system with deep flow technique (DFT). The analysis method used in this study is quantitative analysis by calculating and detailing the analysis of costs, income and receipts, feasibility, and break-even points. The results showed that the cost of the hydroponic agricultural system was Rp. 2,213,720.6. The R/C Ratio is 1.01, so the agricultural system is feasible. The break-even point (BEP) for receipts amounted to Rp. 2,160,006.45 while real receipts amounted to Rp. 2,224,800. This means that this agricultural system still benefits Rp. 64. 733.55. The break-even point for production is 184.48 Kg, while the actual production is 185.4 Kg. This means that production provides a benefit of 0.92 Kg. Break-even point selling price is Rp. 11,940.24/Kg while the actual selling price is Rp. 12,000/Kg. This agricultural system provides benefits of Rp. 60/Kg.
The Effect of Online Communication and Use of Information Systems on Audit Quality Rendi Kusuma Natita; Neni Maryani
International Journal of Quantitative Research and Modeling Vol 4, No 2 (2023)
Publisher : Research Collaboration Community (RCC)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46336/ijqrm.v4i2.442

Abstract

During the Covid-19 pandemic it became a challenge for the Public Accounting Firm to carry out audit procedures. During the Covid-19 pandemic, physical meetings or communication between auditors or public accountants and a company's clients were limited, so these meetings, which were generally held face-to-face, became online meetings. The main obstacle for auditors or public accountants during the Covid-19 pandemic is that the audit procedures that must be carried out for the 2020 financial statements will be different from the previous year. In general, audit engagements or communication with clients to obtain audit evidence is carried out face-to-face, but to reduce the spread of the Covid-19 virus, such communication is carried out online. Of course, these communication issues must still be guided by Auditing Standard 260 regarding communication with those charged with governance. This study aims to determine the effect of online audit communication and the use of information systems on audit quality. This research is research with the aim of testing the hypothesis. Studies that engage in hypothesis testing usually explain the nature of a particular relationship or determine the independence of two or more factors in a situation. This study uses an explanatory method where the researcher wants to find the cause of one or more problems. This study aims to determine the effect of online audit communication and the use of information systems on audit quality. This research is research with the aim of testing the hypothesis. Studies that engage in hypothesis testing usually explain the nature of a particular relationship or determine the independence of two or more factors in a situation. This study uses an explanatory method where the researcher wants to find the cause of one or more problems. This study aims to determine the effect of online audit communication and the use of information systems on audit quality. This research is research with the aim of testing the hypothesis. Studies that engage in hypothesis testing usually explain the nature of a particular relationship or determine the independence of two or more factors in a situation. This study uses an explanatory method where the researcher wants to find the cause of one or more problems.

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