Warrah, M.M., Senchi D.S, A.M. Bagudo, and U.M. Daboh. “Determination of Heavy Metals Concentration in Soil Around Sokoto Cement Company”. International Journal of Environment, Agriculture and Biotechnology 6, no. 1 (January 9, 2021). Accessed November 25, 2024. https://journal-repository.com/index.php/ijeab/article/view/3003.