Accelerated development in Sub-Saharan Africa Work Bank
Washington, D.C. The Bank 1981,
Buku Teks
Democracy and political change in Sub-Saharan Africa
edited by John A. Wiseman
Routledge, 1995
Buku Teks
Accelerated development in Sub-Saharan Africa : an agenda for action / The Work Bank
The Work Bank , 1981
Buku Teks
Curricula, examintaions, and assessment in secondary education in sub-Saharan Africa
The World Bank, 2008
Buku Teks
Current trends in linguistics : volume VII, linguistics in Sub-Saharan Africa
edited by Thomas A. Sebeok
Mouton, 1971
Buku Referensi