Hill, Polly
The gold coart cocoa farmer : a premilinary survey Polly Hill
London Oxford University Press 1956,
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Heijbroek, A.M.A.
The cocoa and chocolate market
Rabobank International Group, 1995
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Kelley, Jeff
Learn cocoa touch for iOS
Springer, 2012
eBooks
Adams, F. Gerard
Econometric models of world agricultural commodity markets cocoa, coffee, tea, wool, cotton, sugar, wheat, rice F. Gerard Adams and Jere R. Behrman
Mass. Ballinger Pub. Co , 1976
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Boyce, R. O.
Integrated managerial controls / R. O. Boyce and N. D. Christie
Longman , 1974
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