Khattab, Suhail A. A., Bayer J. Al-Sulaifanie, and Rabi’ A. Mohammed. 2019. “Design Chart of a Footing Located on a Crest of the Unsaturated Soil Slopes”. Academic Journal of Nawroz University 8 (4):198-215. https://doi.org/10.25007/ajnu.v8n4a463.