NORAINI, Alifah; TJAHJADI, Martinus Edwin; JASMANI, Jasmani. Classification of Slope for Coffee Plantation in Ngajum District, Indonesia. Buletin Poltanesa, [S. l.], v. 25, n. 1, p. 110–115, 2024. DOI: 10.51967/tanesa.v25i1.2227. Disponível em: https://e-journal.politanisamarinda.ac.id/index.php/tanesa/article/view/2227. Acesso em: 19 sep. 2024.