Abdul Azzez, Dr. Abdul Alraheem Alhag, et al. “Selection of Landfill Site in Khartoum State Using (GIS) Techniques and Multicriteria Decision Analysis (MCDA)”. University of Thi-Qar Journal, vol. 13, no. 3, Apr. 2019, pp. 133-44, doi:10.32792/utj.v13i3.171.