Study of Some Watershed Characteristics Associated with Gully Erosion Development Using Google Elevation Services in Girei Basin Adamawa State, Nigeria. The NOUN Journal of Agricultural Research and Development (NJARD), [S. l.], v. 1, n. 2, p. 32–43, 2025. Disponível em: https://journal.agric.nou.edu.ng/agricjournal/index.php/NJARD/article/view/32. Acesso em: 7 jul. 2026.