Sayed, Qassim M., Hassan A. Abdul Hussein, and Ahmed K. Hassan. “An Experimental Investigation of Rheological and Free Water of Foam Cement System”. Journal of Petroleum Research and Studies 15, no. 4 (December 21, 2025): 68-87. Accessed December 23, 2025. https://jprs.gov.iq/index.php/jprs/article/view/978.