., Jasim M. Al-Battat, and Haider S. Al-Jubair . “Studying the Effects of Negative Skin Friction on Driven Pile Groups in Basrah Governorate”. Iraqi Journal of Civil Engineering 15, no. 1 (June 1, 2021): 24–27. Accessed March 3, 2026. https://ijce.journalpath.com/ijce/article/view/222.