saleem, Helal A., Ban A. Al-Tabbakh, and Aysar T. Jarullah. “Effect of Calcination Temperature on Prepared γ-Al2O3 As Support Catalyst”. Journal of Petroleum Research and Studies 13, no. 3 (September 10, 2023): 74-90. Accessed December 3, 2024. https://jprs.gov.iq/index.php/jprs/article/view/616.