1. Dialogue or directed extension? The limits to communication Collection: Agricultural Communications Documentation Center (ACDC) Contributers: Wake, M.R. (author) Format: Journal article Publication Date: 1982-12 Published: International: Agricultural Extension and Rural Development Centre, University of Reading, Reading, England. Location: Agricultural Communications Documentation Center, Funk Library, University of Illinois Box: 170 Document Number: C28619 Journal Title: Reading Rural Development Communications Bulletin Journal Title Details: 16 : 3-7