AQUIFER VULNERABILITY ASSESSMENT USING DRASTIC AND GIS IN DAMATURUMETROPOLIS, YOBE STATE, NIGERIA. BAYERO JOURNAL OF ENGINEERING AND TECHNOLOGY, [S. l.], v. 19, n. 2, p. 5–20, 2025. DOI: 10.67607/dzk73e53. Disponível em: https://bjet.ng/index.php/jet/article/view/109. Acesso em: 16 sep. 2026.