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Politics and economics of Africa ; Vol. 6
Wusu, Olufemi, (2006)
Losing our minds? : new research directions on skilled migration and development
Clemens, Michael A., (2015)
Brain drain or gain? : the structure of production, emigration and growth
Papakonstantinou, Marianna, (2014)
A critical appraisal of the management of river basin development systems with particular reference to the Gezira scheme in the Sudan
Tayeb, Hassan A. el-, (1977)