Feasibility Analysis of Koi Fish (Cyprinus carpio) Hatchery Business at Batu Kumbung Fish Seed Center (BBI), Lingsar Subdistrict. jmai [Internet]. 2023 May 29 [cited 2025 Oct. 4];3(2):58-66. Available from: https://journal.unram.ac.id/index.php/jmai/article/view/2638