Johnbosco DU, Bibiana.C DA, Richard.E SN. IMPACT OF USED MOTOR OIL ON THE SOIL QUALITIES OF ORJI MECHANIC VILLAGE OWERRI, NIGERIA. Int. J. Eng. Tech. Mgmt. Res. [Internet]. 2020 Feb. 29 [cited 2024 Apr. 20];7(2):1-12. Available from: https://www.granthaalayahpublication.org/ijetmr-ojms/ijetmr/article/view/IJETMR19_A12_1319