Biosorption of Heavy Metals (Chromium and Copper) using Bacillus Firmus isolated from contaminated gold mining soil of Anka in Zamfara State, Nigeria. CaJoST, [S. l.], v. 1, n. 1, p. 6–11, 2019. DOI: 10.4314/cajost.v1i1.25. Disponível em: https://cajost.com.ng/index.php/files/article/view/25. Acesso em: 22 dec. 2024.