Peku Jawang, Uska. “Penilaian Status Kesuburan Dan Pengelolaan Tanah Sawah Tadah Hujan Di Desa Umbu Pabal Selatan, Kecamatan Umbu Ratu Nggay Barat”. Jurnal Ilmu Pertanian Indonesia 26, no. 3 (July 23, 2021): 421–427. Accessed January 11, 2026. https://journal.ipb.ac.id/JIPI/article/view/33629.