Study the Effect of Catalyst -to- Oil Ratio Parameter (COR) on Catalytic Cracking of Heavy Vacuum Gas Oil. Journal of Engineering, [S. l.], v. 26, n. 7, p. 16–27, 2020. DOI: 10.31026/j.eng.2020.07.02. Disponível em: https://joe.uobaghdad.edu.iq/index.php/main/article/view/904.. Acesso em: 21 may. 2024.