G. Omer, Omer, H. Elarabi, and Ahmed M. Elsharief. “Effect of Soil Stiffness on the Design Parameters of Stiffened Raft Foundation on a Highly Expansive Soil”. University of Khartoum Engineering Journal 4, no. 1 (November 2, 2022). Accessed September 1, 2025. https://uofkej.uofk.edu/index.php/uofkej/article/view/138.