Anyanwu C.U., and Nwachukwu O. N. “Heavy Metal Resistance in Bacteria Isolated from Contaminated and Uncontaminated Soils”. International Journal of Research in Chemistry and Environment (IJRCE) 1, no. 1 (June 30, 2011): 173–178. Accessed May 9, 2024. https://ijrce.org/index.php/ijrce/article/view/74.