Agricultural Communications Documentation Center, Funk Library, University of Illinois Document Number: C17255
Notes:
Pages 159-165 in Carine Alders, Bertus Haverkort and Laurens van Veldhuizen (eds.), Linking with farmers: networking for low-external-input and sustainable agriculture. Intermediate Technology Publications, London, UK. 298 pages.
Agricultural Communications Documentation Center, Funk Library, University of Illinois Document Number: C19807
Notes:
Pages 213-220 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.