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Urban growth and urbanward migration in Sudan
Kawabe, Hiroshi, (1973)
Khartoum North and Omdurman ; by Mahmoud Kamil El-Rayes, Mohamed A. Osman, El Faith M. Ali
El-Rayes, Mahmoud Kamil, (1973)
Urbanization in the Sudan
El-Bushra, El-Sayed, (1972)