Nabeel Abdulqahar, Safa, Majid I. Abdulwahab, and Khalid K. Hummadi. “Reuse of Spent Hydrotreating Catalyst of the Middle Petroleum Fractions”. Iraqi Journal of Chemical and Petroleum Engineering 20, no. 1 (March 30, 2019): 15–22. Accessed November 22, 2024. https://ijcpe.uobaghdad.edu.iq/index.php/ijcpe/article/view/511.