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kalfin Kalfin

Department Of Statistics, Faculty Of Mathematics And Natural Sciences, Universitas Padjadjaran

Author-ID : 2614677

Religion Agriculture, Biological Sciences & Forestry Humanities Computer Science & IT Decision Sciences, Operations Research & Management Dentistry Economics, Econometrics & Finance Education Energy Engineering Environmental Science Health Professions Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Medicine & Pharmacology Nursing Physics Public Health Social Sciences Transportation Other

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ANALISIS STRUKTUR BIAYA USAHA TANI BAWANG MERAH BERDASARKAN TUJUAN PASAR MENGGUNAKAN METODE COBB-DOUGLAS STOCHASTIC FRONTIER PRODUCTION FUNCTION Kalfin Kalfin; Denny Razzianto; Eti Suminartika; Trisna Insan Noor
Jurnal Matematika Sains dan Teknologi Vol. 22 No. 1 (2021)
Publisher : LPPM Universitas Terbuka

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33830/jmst.v22i1.1490.2021

Shallots (Allium ascolonicum, L) are high-value horticultural commodities that need to be developed as strategic commodities in addition to rice, red chilies, chicken and beef. In addition, shallots have a high economic value and are a commodity used in the processing of various foods. This causes the consumption or demand for shallots to increase along with the increase in population. Therefore, this study aims to analyze the cost structure of shallot farming with the aim of the market for consumption and for the fried onion industry in Majalengka District, Majalengka Regency. The method used to estimate the Cobb-Douglas production function is the stochastic frontier method, with the sampling technique used in this study, namely proportional random sampling. Based on the results of the analysis, it is found that the cost structure of shallot farming for the purpose of the fried onion industry and consumption is feasible when viewed from the R/C ratio of the average agricultural destination for the fried onion industry with a value of 1.25 and for shallot farming for consumption purposes with a value of 1.30, where R/C > 1. Meanwhile, the production factor that requires the largest cost for shallot farming, the purpose of the fried onion industry, is the cost of seeds / seeds with a value of IDR. 13,548,300 and the largest cost used by shallot farming for consumption purposes is the cost of seeds / seedlings of IDR. 30,870,148.94. This is due to the need for seeds for an area of one hectare, the price of seeds is quite high due to the limited number of seeds / seeds needed so that the price of seeds increases and the factor of chaos also affects the limited number of seeds needed. The results of this study are expected to be a reference for local governments in developing agriculture, especially in the shallot tabi business sector. Bawang merah (Allium ascolonicum, L) merupakan komoditas hortikultura bernilai tinggi yang perlu dikembangkan sebagai komoditas strategis selain beras, cabai merah, daging ayam, dan daging sapi. Selain itu, bawang merah memiliki nilai ekonomis yang tinggi dan komoditas yang digunakan dalam pengolahan berbagai makanan. Hal tersebut menyebabkan konsumsi atau permintaan bawang merah meningkat seiring dengan peningkatan jumlah penduduk. Oleh karena itu, pada penelitian ini bertujuan menganalisis struktur biaya usahatani bawang merah dengan tujuan pasar untuk konsumsi dan untuk industri bawang goreng di Kecamatan Majalengka Kabupaten Majalengka. Metode yang digunakan untuk menduga fungsi produksi Cobb-Douglas adalah metode stochastic frontier, dengan teknik penarikan sampel yang dilaksanakan pada penelitian ini yaitu proporsional random sampling. Berdasarkan hasil analisis diperoleh bahwa struktur biaya usahatani bawang merah tujuan industri bawang goreng dan konsumsi layak diusahakan bila dilihat dari R/C rasio rata-rata usahatani tujuan industri bawang goreng dengan nilai 1,25 dan untuk usahatani bawang merah tujuan Konsumsi dengan nilai sebesar 1,30, dengan R/C >1. Sedangkan faktor produksi yang membutuhkan biaya terbesar untuk usaha tani bawang merah tujuan industri bawang goreng yaitu biaya bibit/benih dengan nilai sebesar Rp.13.548.300 dan biaya terbesar yang digunakan usahatani bawang merah tujuan konsumsi yaitu biaya benih/bibit sebesar Rp.30.870.148,94. Hal ini disebabkan kebutuhan bibit untuk luasan satu hektar, harga bibit yang cukup tinggi karena keterbatasaan jumlah bibit/benih yang dibutuhkan sehingga harga bibit meningkat dan faktor kemaurau juga pengaruh terhadap keterbatasan bibit yang dibutuhkan. Hasil penelitian ini diharapkan dapat menjadi referensi bagi pemerintah daerah dalam mengembangkan pertanian khususnya pada sector usaha tabi bawang merah.

Production Development Strategy on Corn (Zea Mays) Commodity in Banten Province Using Process Hierarchy Analysis Method Ahmad Alfarizy; Mohamad Arief Setiawan; kalfin Kalfin
International Journal of Research in Community Services Vol 2, No 1 (2021)
Publisher : Research Collaboration Community (RCC)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46336/ijrcs.v2i1.198

The increased rate of maize production in Indonesia is relatively slow, on the other hand, the need for corn as raw material for the food industry and faster food improvement. Still, demand for maize for direct consumption during the economic crisis also increased. This study aims to identify corn development strategy in Banten Province and formulate priority scale efforts for corn commodity development strategy in Banten province. The type of this research is qualitative with a descriptive approach, with the research location taken intentionally (purposive). The in Banten Province, then prioritize the strategy to improve and expand the marketing network in the form of fruit and corn processing products (corn kernels) through the program of local superior product introduction to outsiders of Banten Province. The priority of the fifth development strategy is to increase cooperation between farmers, processing industries, and traders with the government. The sampling technique used the purposive sampling method with 52 respondents consisting of farmers, the processing industry, traders, and the government. Data analysis using Analytic Hierarchy Process and Focus Group Discussion. The result of this research is the alternative development strategy of 25 strategies which are all obtained through Focus Group Discussions and Analytic Hierarchy Process method, then get the strategy priority scale, the priority strategy to improve corn cultivation technique in Banten Province, then the priority of strategy improvement of facilities and infrastructure. The priority of further development strategy is to improve the quality and quantity of maize.

Analysis of Revenue Inequality and Development of Leading Economic Sectors of District and City in Banten Province, Indonesia Bima Mulia; Mohamad Arief Setiawan; kalfin Kalfin
International Journal of Research in Community Services Vol 2, No 1 (2021)
Publisher : Research Collaboration Community (RCC)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46336/ijrcs.v2i1.199

The imbalance of inter-regional economic development is a common phenomenon that occurs in the process of economic development of a region. This interregional inequality was originally caused by differences in natural resource content and differences in demographic conditions in each region. As a result of these differences, the ability of an area to increase economic growth and encourage the development process also becomes different. Therefore, it is not surprising that in every region there is usually a relatively developed region and a relatively underdeveloped region. This study aims to analyze how big the level of income inequality that occurs between regencies/cities in Banten Province. Identifying the base sector in each district/city in Banten Province, and predicting the base sector in the future in each Regency/City of Banten Province. Data used in this study is secondary data in the form of time series data to see Developments and changes that occur over a period of time. Data analysis used in this research is Location Quotient (LQ), Dynamic Location Quotient (DLQ), Williamson and Thiel Index. The results of this study are inequality that occurred in Banten is measured by using Williamson Index included in the category of Medium Inequality. On the measurement of Thiel Entropy Index, inequality in Lebak Regency is the lowest and Kota Cilegon has the highest imbalance in Banten Province.

Efforts to Improve MSME Commodity Marketing in Tasikmalaya Regency during the Covid-19 Pandemic through Training and Mentoring Programs Mohamad Arief Setiawan; Kalfin Kalfin; Perdi Setiawan
International Journal of Research in Community Services Vol 2, No 1 (2021)
Publisher : Research Collaboration Community (RCC)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46336/ijrcs.v2i1.197

The COVID-19 pandemic has had a very bad impact and decreased income in the Micro, Small, and Medium Enterprises (MSME) sector. An effort is needed that can increase the marketing of MSME products that are in accordance with consumer conditions. There are still many MSME actors who market their products in stores and in the market which are not in accordance with the conditions in the field. Continuous training and assistance are needed in introducing a marketing system that is in accordance with the conditions of the times. One of them is marketing using online media. Based on these circumstances, this study aims to determine efforts to increase the marketing of MSME commodities in Tasikmalaya Regency during the Covid-19 pandemic through training and mentoring programs. The method used in this research is descriptive quantitative. The data used were obtained from interviews with the help of a questionnaire given to MSME actors. Based on the results obtained, the use of online media in marketing MSME products was 19%. From the results of the analysis, it is found that the level of ability to use digital technology is 26%, which means that there are still many MSME actors who do not understand using digital technology, especially in creating online stores. Therefore, continuous training and assistance are needed in improving the understanding of MSME actors and keeping up with the times.

Mitigation of Natural Disasters as Efforts to Minimize Unwanted Impacts in Baleendah Sub-District, Bandung Regency, Indonesia Yuyun Hidayat; Sukono Sukono; Kalfin Kalfin
International Journal of Research in Community Services Vol 2, No 2 (2021)
Publisher : Research Collaboration Community (RCC)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46336/ijrcs.v2i2.196

The Flood disaster is a natural event, one of which is caused by overflowing rivers. This disaster often occurs in the Majalaya area, Bandung Regency. Geographical conditions close to the Citarum River flow and the plains lower than the surrounding area causes this area to be flooded especially during the rainy season. Through the Community Service Program with the topic "training and simulation of natural disaster mitigation as an effort to minimize unwanted impacts in Majalaya sub-district" aims to increase the knowledge of the surrounding community regarding the impact of flood disasters and efforts to reduce the impact through mitigation efforts. This activity is aimed at 8th graders of SMP Negeri 1 Majalaya by using the presentation method using WhatsApp group media. This activity begins with giving questionnaire I which functions as a pre-test and ends with questionnaire II which functions as a post-test. The questionnaire was given at the beginning and at the end to see to what extent the material gave influence and new knowledge to students of SMP Negeri 1 Majalaya. The results of the questionnaire show that prior to counseling on flood disaster mitigation, the sample was categorized as having good knowledge of 87% and having poor knowledge of 13%. After counseling about flood disaster mitigation using PowerPoint media and games there was an increase in knowledge, the sample with good knowledge was 98% and those with poor knowledge were 2%. Based on the results of the pre-test and post-test, this activity proved successful in increasing the knowledge of SMP Negeri 1 Majalaya regarding flood mitigation.

ECONOMIC EMPOWERMENT OF COASTAL COMMUNITIES THROUGH FISHERMAN INSURANCE Riaman Riaman; Sukono Sukono; Kalfin Kalfin
International Journal of Research in Community Services Vol 1, No 4 (2020)
Publisher : Research Collaboration Community (RCC)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46336/ijrcs.v1i4.302

The current condition of fishermen in Indonesia is still far from prosperous, especially small fishermen who generally have an income of less than one million/month. Fishermen are faced with constraints on the characteristics of their fishing business which depend on climate change, weather uncertainty, and sea waves, so they pose a high risk. This affects the low income of these fishermen because fishermen working hours are very dependent on the weather so if the sea waves are high or other bad weather, fishermen are forced not to go to sea. Therefore, it is necessary to protect fishermen through fisherman insurance. Currently, the government has been trying to increase the target of fish production and consumption through protection and welfare for fishermen. One of the efforts to improve fishermen's welfare is a work program that guarantees protection against risks to fishermen, fish cultivators, and salt farmers. This program targets 1 million insurance for fishermen spread across the territory of the Republic of Indonesia. One of the government's efforts to protect fishermen and their families is through the provision of Insurance Premium Assistance for Fishermen. This effort is intended to provide guaranteed protection against risks experienced by fishermen, such as death, permanent disability, and medical costs; as well as provide awareness of insurance for fishermen. However, currently, fishermen's income is not included in the risk guarantee from the fishermen’s insurance program. Even though the income of fishermen is one of the criteria for measuring the economy of coastal communities who work as fishermen and indirectly can determine the maritime economy. Therefore, we as academics intend to conduct training and socialization of economic empowerment of fishing communities based on knowledge, skills, and potential in Cirebon Fishermen Village through Community Service programs. The material that will be provided in this Community Service activity is related to the economic empowerment of fishermen communities and community-based fisherman insurance. This material will be given to the workshop session both to the local community.

Study of the Influence of Online Games on Adolescent Psychology in Parungponteng District: Analysis of Intensity of Use, Type of Game, and Psychological Impact Astrid Sulistya Azahra; Jumadil Saputra; Kalfin Kalfin
International Journal of Ethno-Sciences and Education Research Vol 4, No 1 (2024)
Publisher : Research Collaboration Community (RCC)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46336/ijeer.v4i1.568

This research aims to examine the influence of online games on adolescent psychology in Parungponteng District. By collecting data from 30 respondents through questionnaires, this research analyzed the intensity of game use, the types of games played, and the psychological impact of online game addiction on teenagers. The research results show that teenagers tend to spend an average of 15 hours per week playing online games, with the majority choosing Role-Playing Games (RPG) and Multiplayer Online Battle Arena (MOBA) games. The psychological impacts of online gaming addiction include a lack of interest in other activities and feelings of anxiety when unable to play. The implications of this research include educational awareness of game use, development of educational games, the active role of parents and educators, as well as the development of time management skills.

The Importance of Student Development in Selecting College Majors According to Their Interests and Talents at Man 5 Tasikmalaya Nurnisaa binti Abdullah Suhaimi; Kalfin Kalfin; Moch Panji Agung Saputra
International Journal of Ethno-Sciences and Education Research Vol 4, No 2 (2024)
Publisher : Research Collaboration Community (RCC)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46336/ijeer.v4i2.619

Choosing a college major is one of the important stages that students at the upper secondary level must go through. The decision to choose the right college major will greatly determine the future and success of students after graduation and they will not face difficulties during the study process. MAN 5 Tasikmalaya is one of the leading madrasah aliyah in Tasikmalaya which has experience in developing and guiding its students. As a school that has quite good quality, MAN 5 Tasikmalaya is required to provide maximum guidance to students in choosing college majors according to their interests and talents. It is hoped that MAN 5 Tasikmalaya students can discover their academic interests and talents from an early age so that they can make a decision on the right college major. appropriate. Good coaching will certainly be very beneficial for the future of students. This research aims to analyze the guidance for selecting college majors carried out at MAN 5 Tasikmalaya in helping students determine study programs that suit their interests and talents. The research results show that the coaching carried out by MAN 5 Tasikmalaya is quite effective in helping students determine their college major according to their interests and talents. However, the quality and quantity of coaching needs to continue to be improved by involving various internal and external parties at the school. The more optimal the coaching is, the more MAN 5 Tasikmalaya graduates will choose the right college major based on their interests and talents, so that they can achieve success in the future.

The Impact of Online Gambling on Marital Relationships and Divorce Rates: A Literature Review Pirdaus, Dede Irman; Kalfin, Kalfin; Salih, Yasir
International Journal of Ethno-Sciences and Education Research Vol 4, No 3 (2024)
Publisher : Research Collaboration Community (RCC)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46336/ijeer.v4i3.721

The prevalence of online gambling has soared in recent years, posing a significant threat to marital relationships and divorce rates. This research examines the impact of online gambling on marital relationships and levels of peace through comprehensive literature insights. This study analyzes the development of online gambling, the factors that encourage participation, the psychological impact, and its influence on marital dynamics. Findings show that online gambling can significantly damage marital relationships, cause financial conflict, reduce the quality of communication, and increase the risk of divorce. Statistical data from Indonesia shows an increase in gambling-related divorce cases in the last five years, with a peak in 2023. This research highlights the need for multi-faceted interventions, including stricter regulations, public awareness campaigns and support services for affected families to reduce Negative effects of online gambling on marriage.

Online Games and Mental Health of Generation Z: A Case Study on Male Adolescents at SMK MAN 5 Tasikmalaya Azahra, Astrid Sulistya; Kalfin, Kalfin; Hidayana, Rizki Apriva
International Journal of Ethno-Sciences and Education Research Vol 4, No 3 (2024)
Publisher : Research Collaboration Community (RCC)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46336/ijeer.v4i3.712

This research investigates the impact of online games on the mental health of Generation Z, with a focus on male adolescents at SMK MAN 5 Tasikmalaya. Quantitative research methods were used to collect data through questionnaires regarding the duration of playing online games and observations of mental health. The results of data analysis show that there is a significant relationship between the duration of playing online games and mental health in male adolescents. It was found that online gaming addiction can result in decreased mental health, including social isolation, decreased academic performance, and emotional disorders. Therefore, efforts need to be made to manage the use of online games wisely to minimize the negative impact on Generation Z's mental health.

Co-Authors Agung Prabowo Ahmad Alfarizy andrian, riza Ardiansyah, Muhammad Naufal Astrid Sulistya Azahra Azahra, Astrid Sulistya Bakti Siregar Bima Mulia binti Abdullah Suhaimi, Nurnisaa Brigita Tiara Elgityana Melantika Chun Wang Denny Razzianto Dewi Ratnasari Dewi, Puja Kalima Erwen, Ivana Valencia Eti Suminartika Fabian, Natanael Tio Farelino, Caesar Gracia, Ribka Hadiaty Y, Siti Hadiaty, siti Halim, Nurfadhlina Abdul Haq, Fadiah Hasna Nadiatul Hidayana, Rizki Apriva Ibrahim, Riza Andrian Jauharie, Kaisar Shauma Rif’at Jumadil Saputra Kirani, Agnes Neisha Laksito, Grida Sakti Loei, Jonathan Melviana Mohamad Arief Setiawan Muhammad Rachman Mulyandi Muyandi, Muhammad Rachman Natasha, Sharren Nugroho, Diyas Arya Nurnisaa AS Nurnisaa binti Abdullah Suhaimi Perdi Setiawan Persius, Angel Andromeda Pirdaus, Dede Irman Poluan, Regina Calista Pradana, Reza Septian Pratama, Wisnu Ramadhani, Sausan Riaman Riaman Rini Cahyandari Salih, Yasir Setiawan, Mohamad Arief Setiawan, Perdi Shielline, Patricia Sidiq, Fahmi Sukono . Sulistya A, Astrid Sulistya Azahra, Astrid Tanuwijaya, Terrance Tinambunan, Michael Tooy, Yohanes L. Trisna Insan Noor Vimelia, Willen Wangsa, Vanessa Wisesa, Krisna Yoga Wiwik Wiyanti Wulandari, Nuraeni Yoga, Vincensius Yuningsih, Siti Hadiaty Yuyun Hidayat

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