Agricultural Communications Documentation Center, Funk Library, University of Illinois Document Number: C19055
Notes:
Pages 96-119 in Rajab Ali Memon, managing author, and Elena Bashir, editor, Extension methods. National Book Foundation, Islamabad, Pakistan. 378 pages.
Agricultural Communications Documentation Center, Funk Library, University of Illinois Document Number: D08638
Notes:
Located in Review of Extension Studies, volumes for 1946-1956, U.S. Department of Agriculture, Washington, D.C., Summary of research report. Agricultural Extension, Iowa State University, Ames. Special Report No. 15 (North Central Regional Publication No. 1, Agricultural Extension Service). 12 pages.