Jawad, Hala Mahmood, and Zuhair Kadhim Jahanger. “The Effect of Oil Contaminated on Collapse Pattern in Gypseous Soil Using Particle Image Velocimetry and Simulation”. Civil Engineering Journal, vol. 10, no. 7, July 2024, pp. 2325-43, doi:10.28991/CEJ-2024-010-07-016.