PRELIMINARY ASSESSMENT OF HEAVY METALS AND WATER QUALITY OF SELECTED WELLS IN TALATA MAFARA, ZAMFARA STATE, NIGERIA. FJST [Internet]. 31 déc. 2016 [cité 17 mai 2026];2(2):100-5. Disponible sur: https://lafiascijournals.org.ng/index.php/fjst/article/view/59