Alex Ekemube, R., C. Emeka, B. Nweke, A. Temidayo Atta, and A. Nwuzoma Opurum. “Evaluation of Simulated Petroleum Hydrocarbon on the Physicochemical Properties of Soil”. Research Journal of Ecology and Environmental Sciences, vol. 2, no. 4, Dec. 2022, pp. 195-10, https://www.scipublications.com/journal/index.php/rjees/article/view/365.