Apori, O. S., E. Hanyabui, and Y. J. Asiamah. “Remediation Technology for Copper Contaminated Soil: A Review”. Asian Soil Research Journal 1, no. 3 (November 8, 2018): 1-7. Accessed June 19, 2021. https://journalasrj.com/index.php/ASRJ/article/view/26338.