“Analisis Kelayakan Finansial Usahatani Singkong Gajah Di Kecamatan Anggana Kabupaten Kutai Kartanegara”. Jurnal Pertanian Terpadu 5, no. 1 (June 12, 2017): 1–16. Accessed September 3, 2026. https://ojs.mine-cloud.my.id/jpt/article/view/111.