O.P, Abioye, Agamuthu P., and Abdul Aziz A. “Phytoaccumulation of Zinc and Iron by Jatropha Curcas Grown in Used Lubrication Oil-Contaminated Soil”. Malaysian Journal of Science 29, no. 3 (December 30, 2010): 207–213. Accessed December 5, 2024. http://ijie.um.edu.my/index.php/MJS/article/view/7388.