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The shallow ground water of the Gezira formation at Khartoum and the Northern Gezira
El Boushi, Ismail Mudathir, (1972)
A system dynamics approach to African urban problems : a case study from the Sudan
Ibrahim, Abdelmoneim A., (1989)
The education and employment of children : a comparative study of San Salvador and Khartoum
Peek, Peter, (1976)