Stephen, A. C., Ogwo, P. A and Mbagwu, C. F. Soil Properties in the Vicinity of Discharge Spent Motor Oil in Ohiya Automobile Mechanic Village Umuahia, Abia State. JSTR [Internet]. 2020 Nov. 26 [cited 2024 Dec. 22];2(4). Available from: https://journals.nipes.org/index.php/njstr/article/view/163