“INVESTIGATING OF THE BEHAVIOR OF PILE GROUPS UNDER THE EFFECT OF SUCTION POTENTIAL OF UNSATURATED EXPANSIVE SOIL”. Journal of Engineering and Sustainable Development 22, no. 4 (July 1, 2018): 57–73. Accessed April 28, 2024. https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/425.