DARMA, Surya. Land Suitability of Rice Fields in Bumi Rapak Village and Selangkau Village East Kutai Regency: Kesesuaian Lahan Padi Sawah di Desa Bumi Rapak dan Desa Selangkau Kabupaten Kutai Timur. Jurnal Ilmu Tanah dan Lingkungan, [S. l.], v. 24, n. 1, p. 32–38, 2022. DOI: 10.29244/jitl.24.1.32-38. Disponível em: https://journal.ipb.ac.id/jtanah/article/view/37521. Acesso em: 24 dec. 2025.