Baldwin, Kenneth David Sutherland, 1920-, author
The niger agricultural project : an experiment in African development
Basil Blackwell, 1957
 Buku Teks
Yeager, Rodger, author
Tanzania : an African experiment
Westview Press, 1989
 Buku Teks
Moisture availability and agricultural potentialities of Mali and Niger
 Artikel Jurnal
Yudelman, Montague, author
Africans on the land : economic problems of african agricultural development in Southeren,Central, and East Afric, Whit special reference to Southern Rhodesia
Harvard University Press , 1975
 Buku Teks
Institutions in agricultural development
edited by Melvin G. Blase
Iowa State University Press, 1971
 Buku Teks
<<   1 2 3   >>