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the International Cocoa Agreement and the World Cocoa Economy
Goldman, Richard H., (1974)
World Wheat Price Variability: Changes in its Magnitude and Source
Blandford, David, (1982)
U.S. Vegetable Exports to North America: Trends and Constraints to Market Analysis
Figueroa, Enrique E., (1994)
Quality and Price Competition in the International Wheat Market: A Case Study of the U.K. Wheat Import Market
Wilson, William W., (1990)
Competitive Bidding, Information and Exporter Competition
Preszler, Todd, (1992)