Rafaa, Abbas, and Qaidar Salim. “Improving the Properties of Naphtha Using a Mixed Catalyst Prepared from Natural Ore”. Journal of Education and Science 32, no. 2 (June 1, 2023): 134–146. Accessed September 10, 2025. https://edusj.uomosul.edu.iq/index.php/edusj/article/view/49264.