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Entwicklung heißt: produktive Arbeit muß produktiver werden!
Schoeller, Wolfgang, (2000)
Structural adjustment and agriculture in Sub-Saharan Africa : lessons from the Gambia
MacPherson, Malcolm F., (1991)
Supply response in the context of structural adjustment in Sub-Saharan Africa
Oyejide, Titiloye Ademola, (1990)
Agriculture, poverty, and policy reform in Sub-Saharan Africa
Cleaver, Kevin M., (1995)
Agricultural mechanization : issues and options
Binswanger-Mkhize, Hans P., (1987)