ASSESSMENT OF GROUNDWATER HEAVY METAL CONTAMINATION IN HADEJIA METROPOLIS, JIGAWA STATE, NIGERIA. FUDMA JOURNAL OF SCIENCES, [S. l.], v. 7, n. 1, p. 47–52, 2023. DOI: 10.33003/fjs-2023-0701-1156. Disponível em: http://162.254.38.185/index.php/fjs/article/view/1156. Acesso em: 17 sep. 2025.