Items where Author is "Crentsil, D."
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Collinson, C., Crentsil, D. and Acheampong, S. (1999) Analysis of the relationship between quality and price of yam in Ghana - second round (NRI report no. 2428). Technical Report. Natural Resources Institute, Chatham, UK.
Gray, A., Crentsil, D., Gallat, S. and Gogoe, S. (1997) Survey of yam trading practices and loss assessment in Techiman Market (NRI report no. R6505). Technical Report. Natural Resources Institute, Chatham, UK.