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International Fertilizer Development Center ,  International Institute of Tropical Agriculture ,  West Africa Rice Development Association ,  [Agricultural input markets in Nigeria: an assessment and strategy for development] ,  Agricultural input markets in Nigeria: an assessment and strategy for development

International Institute of Tropical Agriculture ,  [IITA Annual Report 1981] ,  IITA Annual Report 1981

International Institute of Tropical Agriculture ,  [Program and book of abstracts of the First Global Conference on Yam] ,  Program and book of abstracts of the First Global Conference on Yam

International Institute of Tropical Agriculture ,  [IITA Annual Report 1999] ,  IITA Annual Report 1999