A. Karim Mohammed AH, A.KARIM AM, A.Areff H. Effect of Operating Cconditions on Hydrodesulfurization of Vacuum Gas Oil. ijcpe [Internet]. 30Jun.2008 [cited 29Nov.2019];9(2):57-. Available from: http://ijcpe.uobaghdad.edu.iq/index.php/ijcpe/article/view/438