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Econometric models of world agricultural commodity markets : cocoa, coffee, tea, wool, cotton, sugar, wheat, rice
Adams, Francis Gerard, (1976)
Modelling of intra-state and inter-state commodity flows : ( a formalisation of the determination of market equilibrium by the method of "tatonnement")
Ghosh, Ambica Prasad, (1990)
Coffee, Sugar & Cocoa Exchange, Inc. ... annual report
(1990)