Luma H. Mahmood and Mohammad F. Abid (2019) “Extractive Demetalization of Iraqi Crude Oil by using Zeolite A”, Global Journals of Research in Engineering, 19(C1), pp. 33–39. Available at: https://engineeringresearch.org/index.php/GJRE/article/view/1876 (Accessed: 27 April 2024).