G. Omer, O. ., Elarabi, H. . and M. Elsharief, A. . (2022) “Effect of Soil Stiffness on the Design Parameters of Stiffened Raft Foundation on a Highly Expansive Soil”, University of Khartoum Engineering Journal, 4(1). doi: 10.53332/kuej.v4i1.1043.