Ismail, Rokhsana M., Nadrah M. Husami, and Sahar Alrifaei. “CATALYTIC CRACKING OF HEAVY OIL OF ALIF FIELD – MARIB- YEMEN”. Electronic Journal of University of Aden for Basic and Applied Sciences 2, no. 3 (September 30, 2021): 103–108. Accessed December 4, 2024. https://ejua.net/index.php/EJUA-BA/article/view/104.