Peku JawangUska. “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 June 16, 2024. https://journal.ipb.ac.id/index.php/JIPI/article/view/33629.