Agricultural Communications Documentation Center, Funk Library, University of Illinois Document Number: C14115
Notes:
First published in Media Development, 1, 1987., Chapter 12 in Charles Okigbo (ed.), Development Communication Principles. African Council for Communication Education, Nairobi, Kenya. 365 pages.
Agricultural Communications Documentation Center, Funk Library, University of Illinois Document Number: C17061
Notes:
Pages 223-248 in Jan Servaes, Thomas L. Jacobson and Shirley A White (eds.), Participatory communication for social change. Sage Publications, New Delhi. 286 pages.