“Preparation Iraqi Attapulgite Clay Using Wet Sieving Process to Be Suitable for Oil Wells Drilling Fluid”, JUBES, vol. 27, no. 4, pp. 292–302, Dec. 2019, Accessed: Jun. 25, 2025. [Online]. Available: https://mail.journalofbabylon.com/index.php/JUBES/article/view/2799