ANALISIS EFISIENSI FAKTOR-FAKTOR PRODUKSI USAHA BUDIDAYA IKAN PATIN (Pangisius pangasius). intek [Internet]. 2018 Aug. 8 [cited 2025 Dec. 16];2(1):16-34. Available from: https://ojs.umrah.ac.id/index.php/intek/article/view/464