Shakir, Firdews, Hussein Hussein, and Zeinab Abdulwahhab. “Upgrading of Sharqy Baghdad Heavy Oil via N-Hexane Solvent”. Iraqi Journal of Chemical and Petroleum Engineering 23, no. 3 (September 30, 2022): 59–66. Accessed March 31, 2025. https://ijcpe.uobaghdad.edu.iq/index.php/ijcpe/article/view/892.