Agricultural Communications Documentation Center, Funk Library, University of Illinois Document Number: C14085
Notes:
Chapter 3 in Andrew A. Moemeka (ed.), Communicating for development: a new pan-disciplinary perspective. State University of New York Press, Albany. 1994. 280 pages.
Agricultural Communications Documentation Center, Funk Library, University of Illinois Document Number: C19063
Notes:
Burton Swanson Collection, Pages 348-361 in Rajab Ali Memon, managing author, and Elena Bashir, editor, Extension methods. National Book Foundation, Islamabad, Pakistan. 378 pages.
