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The producers' price system and the coffee and cocoa trade at village level in West Africa
Muntjewerff, C. A., (1982)
L' économie de l'Ouest africain : perspectives de développement
Afana, Osendé, (1977)
Die Kakao-Wirtschaft in Westafrika
Schönwälder, Hansgünter, (1969)
[Rezension von: Stewart, Frances, Adjustment and poverty]
Kofi, Tetteh Ahinaqua, (1997)
[Besprechung von:] Development paths in Africa and China. 1976
Kofi, Tetteh A., (1978)
A framework for comparing the efficiency of futures markets
Kofi, Tetteh A., (1973)