OLUWANISOLA, O.P. and ABDULRAHAMAN, A.A. 2018. Anatomical and Physiological Effects of Spent-Engine Oil on Two Varieties of Abelmoschus esculentus (L.) Moench. from Malvaceae. Notulae Scientia Biologicae. 10, 4 (Dec. 2018), 584–596. DOI:https://doi.org/10.15835/nsb10410265.