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All Journal Journal on Mathematics Education (JME) Mimbar Agribisnis: Jurnal Pemikiran Masyarakat Ilmiah Berwawasan Agribisnis Journal of the Community Development in Asia Journal of International Conference Proceedings ROUTERS: Jurnal Sistem dan Teknologi Informasi
Henry Kurniawan
FTI Untar
Agriculture, Biological Sciences & Forestry Humanities Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Education Electrical & Electronics Engineering Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Library & Information Science Mathematics

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DEVELOPING OPEN-ENDED QUESTIONS FOR SURFACE AREA AND VOLUME OF BEAM Kurniawan, Henry; Putri, Ratu Ilma Indra; Hartono, Yusuf
Journal on Mathematics Education Vol 9, No 1 (2018)
Publisher : Department of Doctoral Program on Mathematics Education, Sriwijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22342/jme.9.1.4640.157-168

Abstract

The purpose of this research was to show open-ended questions about surface area and beam volume which valid and practice, have potential effect. This research is research development which consists of two main phases: preliminary phase (preparation phase and problem design) and formative evaluation phase (evaluation and revision phases). The objective of the study is the students of VIII.2 class of Junior High School 55 Palembang. The result of the study got 9 questions open-ended of surface area and beam volume materials which valid and practical. In addition, there was the potential effect of students' mathematical ability on the open-ended questions that have been given. The result of open-ended problem in the concept potential effect was 77,53%, reasoning ability was 59,79%, the communication ability was 57,02%, and problem solving ability was 67,01 %.DOI: http://dx.doi.org/10.22342/jme.9.1.4640.157-168
PENGUKURAN TINGKAT KEGUNAAN PADA APLIKASI MONITORING PEMASANGAN JARINGAN PT XYZ DENGAN METODE SYSTEM USABILITY SCALE (SUS): SYSTEM USABILITY SCALE Kukuh Puji Lestari, Kukuh Puji Lestari; Asrowardi, Imam; Kurniawan, Henry
ROUTERS: Jurnal Sistem dan Teknologi Informasi Vol. 1 No. 1, Februari 2023
Publisher : Program Studi Teknologi Rekayasa Internet, Politeknik Negeri Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (470.684 KB) | DOI: 10.25181/rt.v1i1.2663

Abstract

The Network Installation Monitoring Application currently used by PT XYZ in reporting network installation work has never been evaluated for the usability of the application. The measurement of the usability level of the network installation monitoring application is the initial stage to assess the success of website implementation. The research was conducted by giving questionnaires to respondents in the assessment and calculation of the number of sus scores that can be done with a small number of samples. There are 10 questions on the questionnaire with a rating scale of 1 to 5 for a rating of strongly agree. The result of the score calculation shows the number 75.7, so it is included in the good category or the application is feasible to use.
Enhancing Driver Factors of Rice Productivity and Farm Profitability Cahyati, Nia; Noer, Irmayani; Kurniawan, Henry
Journal of International Conference Proceedings Vol 7, No 2 (2024): 2024 ICSM Thailand & AIC Proceeding
Publisher : AIBPM Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32535/jicp.v7i2.3322

Abstract

The research aimed to analyze the external factors influencing the production and income of lowland rice farmers in South Lampung Regency, Lampung Province. Using both qualitative and quantitative methods, the study followed four stages: data collection, input, analysis, and interpretation. The research involved 50 farmers from the Sidomulyo District, with data gathered through questionnaires and interviews. The study identified key external factors affecting production, including land area (X1), seeds (X2), fertilizer (X3), pesticides (X4), and labor (X5). The production function was modeled as Ln Y = Ln 9.111 + 1.010 Ln X1 + 0.072 Ln X2 – 0.137 Ln X3 + 0.023 Ln X4 + 0.012 Ln X5, showing an increasing return to scale with a significance value 0.05. This suggests that greater use of these production factors enhances rice production. The analysis revealed a good income of IDR 10,592,864.74, with R/C and B/C cash ratios exceeding 1, confirming that lowland rice farming in South Lampung Regency remains profitable. The study concludes that external factors significantly impact rice production and income, with potential for increased profitability through optimized resource use
Vertical Integration of the Rice Market in Lampung Province Nazilah, Nazilah; Noer, Irmayani; Kurniawan, Henry
Journal of International Conference Proceedings Vol 7, No 2 (2024): 2024 ICSM Thailand & AIC Proceeding
Publisher : AIBPM Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32535/jicp.v7i2.3254

Abstract

Rice prices in Indonesia rose significantly in early 2024, with premium-quality rice reaching IDR 16,410 per kilogram—a 21.3% increase compared to the previous year. These disparities stem from weaknesses in the agribusiness structure, poor market integration, and insufficient market information. This study aims to analyze rice market integration at the farmer-producer and consumer levels in Lampung Province. Secondary time-series data on grain prices at the producer level and retail rice prices at the consumer level from 2018 to 2023 were analyzed using price correlation, price transmission elasticity, and the IMC method. Results indicate a consistent upward trend in both retail rice and farmers’ grain prices, which are positively correlated. However, price transmission elasticity reveals that price changes at the farmer-producer level outpace those at the consumer level. The analysis concludes that rice market integration in Lampung is weak in the short term but demonstrates strong integration over the long term. These findings highlight the need for improved agribusiness structures and better market information systems to enhance market efficiency
Analysis of Shallot Farming Business in Pringsewu Regency Achmad, Maryusuf; Fitriani, Fitriani; Kurniawan, Henry
Journal of The Community Development in Asia Vol 7, No 2 (2024): May 2024
Publisher : AIBPM Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32535/jcda.v7i2.2910

Abstract

Shallot farming in Pringsewu Regency, Indonesia, is a profitable business with an average income of IDR 298 million per hectare. However, the productivity is still low, at 15 tons/ha compared to the potential of 20 tons/ha. This research analyzes the cost structure, production, income, and income of shallot farming in Pringsewu Regency. The research results show that the total cost is IDR 115 million per hectare, while the average income is IDR 182 million per hectare. The feasibility analysis shows that shallot farming is profitable with an R/C ratio of 2.6 and a B/C ratio of 1. To improve the performance of shallot cultivation in Pringsewu and Pagelaran Districts, important suggestions involve providing proactive mentoring and advice from the Food Crops Agriculture Service, facilitated by PPL officers. Furthermore, farmers should explore the adoption of advanced shallot farming techniques to increase income. Additionally, it is recommended to extend the duration of shallot cultivation, supported by favorable returns on investment, as indicated by Internal Rate of Return (IRR) values of 97% and 93% for two planting periods in Pagelaran District, exceeding the bank interest rate of 12%. In summary, increasing productivity can further increase the profitability of shallot farming in Pringsewu Regency
Marketing System of Grain from Farmers to Rice Mill Producers in Pringsewu District Nurpalina, Nurpalina; Noer, Irmayani; Kurniawan, Henry
Journal of The Community Development in Asia Vol 5, No 2 (2022): May 2022
Publisher : AIBPM Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32535/jcda.v5i2.1501

Abstract

ABSTRACT This article aims to identify the pattern of the grain/rice marketing system from the farmer-producing level to the milling producer and the activities carried out by the actors involved. Data collection was carried out in the rice production center area in Pringsewu Regency, namely Gadingrejo District because it has the largest rice area in Pringsewu Regency. Data were collected using survey methods (field observations) and interviews with producer farmers and actors involved in the grain/rice trade chain system in Pringsewu Regency. Respondents are rice farmers in Pekon Parerejo totaling 67 farmers, rice milling producers (huller) as many as 4 industries, and 2 collectors traders who are in the research location. Based on the results of the study, it was found that the pattern of the grain/rice trade system in Pringsewu Regency has a flow structure from the Pekon Parerejo production center, Gading Rejo District to several rice milling industries in Pringsewu Regency. There are two patterns, namely the first channel, farmers sell grain to traders and then to wholesalers, grain traders are collected and distributed on a large scale to hullers (mills). From the huller, the grain undergoes processing including drying, milling, grading and rice. The packaged and labeled rice is then distributed to wholesalers. From wholesalers distributed to retailers to be sold to consumers.Keywords: Marketing System,   Channel of Marketing System, Actors an Activity
Characteristics Of Organic Coffee Consumers Hariyanto, Adi; Noer, Irmayani; Kurniawan, Henry; Analianasari, Analianasari
Journal of International Conference Proceedings Vol 8, No 1 (2025): 2025 ICPM Malaysia Proceeding
Publisher : AIBPM Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32535/jicp.v8i1.3967

Abstract

Nowadays, people are starting to realize the importance of health and environmental sustainability. Organic coffee is one of the alternatives chosen to support lifestyle and maintain environmental sustainability for consumers and coffee lovers. This study aims to describe the characteristics of respondents who consume organic coffee. The analysis method used in this study is the descriptive analysis method. The sampling method in this study is the accidental sampling technique of 100 respondents. The results of the study show that the majority of organic coffee consumers are men, namely 54% with ages 21-33 years with a percentage of 87% with an unmarried status of 68% with the majority of S1/S2/S3 education of 63% and work as private employees of 41% with an income of Rp 6,000,000 - Rp 9,000,000 of 37%. The primary motivation for consumption is health reasons (78%), followed by environmental concerns (19%). Social media is the primary source of information (53%), and online stores are the most common purchasing channel (52%). These findings indicate that the organic coffee market has significant growth potential, especially through targeted value-based marketing and digital education approaches.
Integrasi Vertikal Pasar Produsen Gabah dengan Pasar Konsumen Beras di Provinsi Lampung Nazilah, Nazilah; Noer, Irmayani; Kurniawan, Henry
Mimbar Agribisnis : Jurnal Pemikiran Masyarakat Ilmiah Berwawasan Agribisnis Vol 11, No 2 (2025): Juli 2025
Publisher : Universitas Galuh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25157/ma.v11i2.17661

Abstract

Rice is a food ingredient that is a top priority in government food policy.  Rice prices in Indonesia experienced an increase in the first quarter of 2024, rice prices jumped 21.3% compared to last year. The difference in rice prices occurs because of the weak agribusiness structure and market mechanisms that occur in Indonesia.  Market integration analysis can be carried out through several measurements, namely price correlation, price transmission, and Vector Error Correction Model (VECM) analysis. This research aims to analyze the relationship between rice prices at the farmer level, grain producers and consumers in Lampung Province, as well as analyzing the integration of the rice market at the farmer level, grain producers and rice consumers in Lampung Province. The data used is secondary data in the form of time series data, namely data on grain prices at the producer or farmer level and retail rice prices at the consumer level in Lampung Province from 2018 to 2023. The data analysis method uses price correlation analysis and the Vector Error Correction Model (VECM ) using Eviews.10 software. The research results show that the price of rice at both market levels, namely between the grain producer market and the rice consumer market in Lampung Province, is positively correlated.  Based on the results of the market integration analysis, it shows that the rice market in Lampung Province has not been fully integrated in the short term, while the results of the cointegration test show that in the long term the market at the grain producer and retailer level in Lampung Province is well integrated, so it can be concluded that the rice market in the Province In the short term, Lampung has not been well integrated, while in the long term the rice market in Lampung Province is integrated.
Co-Authors Achmad, Maryusuf Analianasari Analianasari Asrowardi, Imam Cahyati, Nia Fitriani Fitriani Hariyanto, Adi Kukuh Puji Lestari, Kukuh Puji Lestari Nazilah Nazilah, Nazilah Noer, Irmayani Nurpalina, Nurpalina Ratu Ilma Indra Putri Yusuf Hartono