Alkhatib AJ, Muhammad M, Habib IY, Idris IM, Adamu A, Bala SS. ENVIRONMENTAL ASSESSMENT OF COBALT AT WUDIL, KANO STATE NIGERIA. ESJ [Internet]. 2014Jul.30 [cited 2024Apr.26];10(21). Available from: https://eujournal.org/index.php/esj/article/view/3842