TY  - BOOK
AU  - ῌasan, Yūsuf Faḍl. 
AU  - Doornbos, Paul. 
TI  - The Central Bilād Al Sûdan: Tradition and Adaption 
PY  - 1977///
PB  - El Tamaddon Press Ltd. 
KW  - African StudiesPolitical Science
ER  -