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