A-K Mohammed AH, Ali Dahyool N. The Effect of Promoters on the Activity of Prepared Zeolite Catalyst in FCC Process. IJCPE [Internet]. 2013 Jun. 30 [cited 2024 Nov. 22];14(2):1-6. Available from: https://ijcpe.uobaghdad.edu.iq/index.php/ijcpe/article/view/307