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Fitri, Yanuar and Nainggolan, Saidin and Ulma, Riri O (2022) Optimization Model of Use of Production in Order to Increase Production and Eficiency of Potato Business in Kerinci District, Jambi Province. International Journal of Horticulture, Agriculture and Food Science (IJHAF), 6 (5). pp. 18-26. ISSN 2456-8635
Fitri, Yanuar and Nainggolan, Saidin and Ulma, Riri O (2022) Optimization Model of Use of Production in Order to Increase Production and Eficiency of Potato Business in Kerinci District, Jambi Province. International Journal of Horticulture, Agriculture and Food Science (IJHAF), 6 (5). pp. 18-26. ISSN 2456-8635
Nainggolan, Saidin and Fitri, Yanuar and Ulma, Riri O and Sinuraya, Cynthia Cleantha br. (2022) isk Control Model of Paddy Rice Farming Production and Farmers' Behavior in Tanjung Jabung Barat (Moscardi and De Janvry Approach Method). International Journal of Environment, Agriculture and Biotechnology, 7 (5). pp. 140-148. ISSN ISSN: 2456-1878
Nainggolan, Saidin and Fitri, Yanuar and Ulma, Riri O and Sinuraya, Cynthia Cleantha br. (2022) Estimation of the profit function of Trans log and the elasticity of input demand in rice farming in Jambi province. GSC Advanced Research and Reviews (GSCARR), 13(01). pp. 169-175. ISSN 2582-4597
Putriana, Rinda A and DAMAYANTI, YUSMA and Ulma, Riri O (2023) Analisis Pendapatan Usahatani Kelapa Sawit Pola Swadaya Di Kecamatan Air Hitam Kabupaten Sarolangun. S1 thesis, Universitas Jambi.
Ariansi, Dinar S and Ningsih, Rozaina and Ulma, Riri O (2021) ANALISIS EFISIENSI PEMASARAN KELAPA DALAM DENGAN PENDEKATAN STRUCTURE, CONDUCT, AND PERFORMANCES DI KECAMATAN MENDAHARA KABUPATEN TANJUNG JABUNG TIMUR. S1 thesis, Universitas Jambi.
Hariyadi, Bambang and Muchlis, Fuad and Elwamendri, Elwamendri and Sardi, Idris and Ulma, Riri O and Kurniasih, Siti and Novra, Ardi and Zulkarnain, Rio Sertfikat HAKI Video pemberdayaan SAD. Youtube.