Agricultural Communications Documentation Center, Funk Library, University of Illinois Document Number: C19802
Notes:
Pages 143-149 in Burton E. Swanson, Robert P. Bentz and Andrew J. Sofranko (eds.), Improving agricultural extension: a reference manual. Food and Agriculture Organization of the United Nations, Rome, Italy. 220 pages.
Agricultural Communications Documentation Center, Funk Library, University of Illinois Document Number: C19806
Notes:
Pages 203-211 in Burton E. Swanson, Robert P. Bentz and Andrew J. Sofranko (eds.), Improving agricultural extension: a reference manual. Food and Agriculture Organization of the United Nations, Rome, Italy. 220 pages.