A. H. Al-Obaidi, A.; Y. Fattah, M.; Kh. Al-Dorry, M. Variation of Suction During Wetting of Unsaturated Collapsible Gypseous Soils. IJET 2018, 7 (4.37), 79-85. https://doi.org/10.14419/ijet.v7i4.37.23621.