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Seasonal movements in Sudan's agricultural commodity prices and the use of seasonal price indices in forecasting and in making sell hold decisions
Sarhan, M. E., (1988)
Marketing costs and margins for selected agricultural commodities in Sudan 1986 - 1987
Saeed, Hasab E. el, (1988)
Agricultural development and expansion in the Nile Basin : programs, production, implications for U.S. agriculture
Warren, Cline Jefferson, (1968)
Constant versus non-constant production elasticities
Medani, A. I., (1969)
Consumption patterns of the Gezira-Managil tenants
Medani, A. I., (1971)
The supply response to price of African farmers at various stages of development
Medani, A. I., (1972)