Mohammed, Abdul-Halim A-K, and Hussain K Hussain. “Deasphaltening and Hydrodesulfurization of Basrah Vacuum Residue”. Iraqi Journal of Chemical and Petroleum Engineering 2, no. 4 (December 30, 2001): 12–18. Accessed December 19, 2024. https://ijcpe.uobaghdad.edu.iq/index.php/ijcpe/article/view/598.