O. P, Abioye, Abdul Aziz A, and Agamuthu P. “Stimulated Biodegradation of Used Lubricating Oil in Soil Using Organic Wastes”. Malaysian Journal of Science 28, no. 2 (August 27, 2009): 127–133. Accessed July 1, 2024. https://jpmm.um.edu.my/index.php/MJS/article/view/7649.