ADAMU, S.; BUKAR, M.; SADIQ, H. M. HYDROGEOLOGICAL WINDOWS IN THE UPPER AQUIFER OF THE CHAD FORMATION IN THE CHAD BASIN, NORTH-EASTERN NIGERIA. International Journal of Research -GRANTHAALAYAH, [S. l.], v. 6, n. 3, p. 30–38, 2018. DOI: 10.29121/granthaalayah.v6.i3.2018.1495. Disponível em: https://www.granthaalayahpublication.org/journals/granthaalayah/article/view/IJRG18_A03_1189. Acesso em: 5 may. 2024.