Ibrahim, Ahmed Sattar, and Mayssaa Ali Al-Bidry. “Activation and Enhancement of the Performance of Iraqi Ca-Bentonite for Using As Drilling Fluid in Iraqi Oil Fields”. Iraqi Journal of Science 61, no. 11 (November 28, 2020): 2964–2977. Accessed December 8, 2025. https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/1650.