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All Journal Jurnal SOLMA Journal of Multidisciplinary Applied Natural Science Journal of Economics Research and Policy Studies
Febrianti, Werry
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Economics, Econometrics & Finance Energy Environmental Science Immunology & microbiology Materials Science & Nanotechnology Mathematics Physics Other

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Analisis keterkaitan jumlah hasil panen padi terhadap PDRB Provinsi Lampung menggunakan analisis input-output Febrianti, Werry; Triana, Shakila Syafa
Journal of Economics Research and Policy Studies Vol. 4 No. 3 (2024): Journal of Economics Research and Policy Studies
Publisher : Nur Science Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53088/jerps.v4i3.1304

Abstract

The agricultural sector has an essential economic position, especially in developing countries. In Indonesia, rice is one of the primary commodities that meets food needs and increases regional income. Economic growth is influenced by interactions between economic sectors, including the agricultural industry. The input-output analysis method is used to assess the relationship between sectors and the impact of changes in the farming sector on the economy as a whole. This research explores the influence of rice harvest on Gross Regional Domestic Product (GRDP) through an input-output analysis approach. The research results indicate that increasing rice yields affects the agricultural sector's input-output value and final demand, impacting the GRDP of Lampung Province.
Optimization of Star Pomfret Feed Production as a Linear Programming Problem Using a Hybrid Wolfe-Differential Evolution Algorithm Febrianti, Werry; Putra, Gusrian; Syari, Chalida; Abdallah, M Naif
Journal of Multidisciplinary Applied Natural Science Vol. 5 No. 2 (2025): Journal of Multidisciplinary Applied Natural Science
Publisher : Pandawa Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47352/jmans.2774-3047.255

Abstract

Star pomfret (Trachinotus blochii) is one of the most sought-after types of marine fish in Indonesia. The production of feed for star pomfret fish is an important factor because it is related to their survival and ability to grow well.  Therefore, formulating the feed formulation for star pomfret (Trachinotus blochii) is very important to minimize feed production costs and ensure the nutritional adequacy of the fish. Therefore, we change the feed for star pomfret fish as a linear programming (LP) problem and solve it using the Hybrid Differential Evolution-Wolfe Algorithm (HWDEA).  HWDEA combines the Wolfe method, which efficiently transforms constraints into a system of linear equations, with the use of the Differential Evolution Algorithm (DEA) to find a global optimization solution, which is a solution that is not trapped in a local minimum.  We improve accuracy and efficiency by using HWDEA to find the optimal solution for this fish feed production. Our HWDEA can also overcome the limitations of traditional methods such as the simplex algorithm.  Thus, we can show that HWDEA successfully reduced feed production costs from 12,353 IDR to 9,035 IDR per kg while maintaining nutritional balance.  We can conclude that the HWDEA method successfully adapted to price fluctuations and raw material availability, allowing it to produce an optimal raw material composition in feed production.  Therefore, HWDEA can be used as an efficient tool to provide significant cost savings for supporting sustainable and profitable fish farming.
Smart Money for Smart Students: Pelatihan Literasi Keuangan melalui Pengelolaan Uang Jajan dan Pembiasaan Menabung bagi Siswa SMPN 3 Jati Agung Febrianti, Werry; Fauzi, Rifky; Nasution, Achmad Suryadi; Noor, Dear Michiko Mutiara; Mardianto, Lutfi; Mustika, Mira; Rizka, Nela
Jurnal SOLMA Vol. 15 No. 1 (2026)
Publisher : Universitas Muhammadiyah Prof. DR. Hamka (UHAMKA Press)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22236/solma.v15i1.21579

Abstract

Background: Financial literacy is an essential skill for young people; however, national reports indicate that Indonesian adolescents' financial literacy remains low, particularly in managing their daily allowance and controlling expenditures. This program aims to enhance basic financial literacy by training in pocket money management and developing regular saving habits. Methods: The community service activity was conducted over two visits. The first visit focused on training students to save and manage their allowance, accompanied by the distribution of character-themed piggy banks and financial logbooks. During the second visit, the team conducted a 30-day savings evaluation and reviewed students’ allowance management recorded in their logbooks. Results: The results show improved students’ understanding, as reflected in higher post-test scores. Furthermore, the one-month saving trends also showed increases in students’ balances, with varying patterns. Conclusions: These findings indicate the effectiveness of character piggy banks and logbook-based allowance management in fostering consistent saving habits among students.
Co-Authors Abdallah, M Naif Achmad Suryadi Nasution Chalida Syari Mardianto, Lutfi Mustika, Mira Noor, Dear Michiko Mutiara Putra, Gusrian Rifky Fauzi Rizka, Nela Triana, Shakila Syafa