Pages 86-87 in Extension Circular 541, Review of Extension Research, January through December 1961, U.S. Department of Agriculture, Washington, D.C. Summary of a thesis for the master of science degree in agricultural extension, University of Tennessee, Knoxville. 1961. 281 pages.
Agricultural Communications Documentation Center, Funk Library, University of Illinois Box: 2 Document Number: B00232
Notes:
AgComm Teaching. Review of Extension Research 1946/47-1956, Extension Service Circular 506, U.S. Department of Agriculture, Washington, D.C., U.S. Dept of Agriculture, Extension Service, pp54, Jun 1949.