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Marketing boards in tropical Africa
Arhin, Kwame, (1985)
Regional cooperation to improve food security in southern and eastern African countries
Koester, Ulrich, (1986)
Agricultural marketing and price incentives : a comparative study of African and Asian countries
Ahmed, Raisuddin, (1985)
Constant versus non-constant production elasticities
Medani, A. I., (1969)
Consumption patterns of the Gezira-Managil tenants
Medani, A. I., (1971)
Elasticity of the marketable surplus of a subsistence crop at various stages of development
Medani, A. I., (1975)