Agricultural Communications Documentation Center, Funk Library, University of Illinois Box: 112 Document Number: C10848
Journal Title Details:
pp. 137-148
Notes:
Chapter V in book "Impacts of Technology on U.S. Cropland and Rangeland Productivity", Congress of The United States, Office of Technology Assessment, Washington, D. C. 20510, 1982
Agricultural Communications Documentation Center, Funk Library, University of Illinois Document Number: C12693
Notes:
Pages 209-224 in Bruce R. Crouch and Shankariah Chamala (eds.), Extension education and rural development. Volume 1 - International experience in communication and innovation. John Wiley & Sons, Chichester. 371 p.
