1. Assessing the role of public research and extension policies in promoting improved performance of the Agro-Food Marketing System Collection: Agricultural Communications Documentation Center (ACDC) Contributers: Hamm, L.G. (author) Format: Journal article Publication Date: 1997 Published: USA Location: Agricultural Communications Documentation Center, Funk Library, University of Illinois Box: 104 Document Number: C08981 Journal Title: American Journal of Agricultural Economics Journal Title Details: 79(2) : 646-650