T. B. Bello, O. M. Bolaji, and F. A. Fakunle, “EXPOSURE OF COWPEA (vigna unguiculata (l) walp) TO SPENT ENGINE OIL CONTAMINATED SOIL AND ITS IMPLICATIONS ON CONSUMER’S HEALTH”, AJHSE, vol. 1, no. 2, pp. 24-36, Oct. 2020.