Orerome, R. O., I. Aganmwonyi, N. A. Itabor, L. E. Damisah, and I. O. Bakare. “Biodiesel Production from Rubber Seed Oil Using Lipase Enzyme”. Journal of Chemical Society of Nigeria, vol. 44, no. 6, Nov. 2019, http://journals.chemsociety.org.ng/index.php/jcsn/article/view/386.