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: C14108
Notes:
First published in Africa Media Review, 1(2), 1987., Chapter 5 in Charles Okigbo (ed.), Development Communication Principles. African Council for Communication Education, Nairobi, Kenya. 365 pages.