“Assessment of γ-AL2O3 Prepared from Local Clay as an Effective Catalyst for Thermal Cracking of Atmospheric Residue: Optimizations of Variables and Analysis of the Upgraded Liquid Oil: Assessment of γ-AL2O3 Prepared from Local Clay as an Effective Catalyst” (2026) Rafidain Journal of Science, 35(1), pp. 82–93. doi:10.33899/rsci.v35i1.61994.