Abdalla Elsadig Ali
- Population Estimation of City from Aerial Photographs: Riyadh Case. In: Journal of Urban Planning and Development, v. 119, n. 4 (Dezember 1993). (1993):
- Electronic Theodolites: Comparison Test. In: Journal of Surveying Engineering (ASCE), v. 117, n. 1 (Februar 1991). (1991):