Austin, Sokpuwu, and Imaobong Udousoro. “Concentrations of Selected Trace Metals in Groundwater from a Legacy Oil-Spill Location in Rivers State, Nigeria”. Covenant Journal of Physical and Life Sciences 9, no. 1 (August 4, 2021). Accessed April 16, 2024. https://journals.covenantuniversity.edu.ng/index.php/cjpls/article/view/2658.