KOTILA, A. A.; KOKI, F. S. RISK ASSESSMENT OF SELECTED HEAVY METALS IN WASTEWATER SOURCES AND SEDIMENTS FROM ARTISANAL MINING AREAS OF MARU, ANKA AND BUKKUYUM AREAS OF ZAMFARA STATE, NIGERIA. Nigerian Journal of Physics, [S. l.], v. 31, n. 2, p. 179–186, 2022. Disponível em: https://njp.nipngr.org/index.php/njp/article/view/73. Acesso em: 21 nov. 2024.