Agricultural Communications Documentation Center, Funk Library, University of Illinois Document Number: C18409
Notes:
Pages 79-86 in Bruce R. Crouch and Shankariah Chamala (eds.), Extension education and rural development. Volume 2. John Wiley and Sons, Chichester. 325 pages.
Agricultural Communications Documentation Center, Funk Library, University of Illinois Box: 76 Document Number: C04008
Notes:
In: Agricultural information to hasten development : proceedings of the VIth World Congress of the International Association of Agricultural Librarians and Documentalists; 1980 March 3-7; Manilla, Philippines. Los Banos, Philippines : Agricultural Information Bank of Asia, 1981. p. 277-285