A. J. Al-Adhamii, Rana, Mohammed Y. Fattah, and Maysam Th. Al-Hadidi. “Crude Oil Effect on the Clayey Soil Mechanical and Physical Properties”. International Journal of Engineering and Technology 7, no. 4.20 (November 28, 2018): 453–458. Accessed August 17, 2025. https://mail.sciencepubco.com/index.php/IJET/article/view/26242.