Agricultural Communications Documentation Center, Funk Library, University of Illinois Document Number: C25308
Notes:
Pages 209-229 in Stephen B. Brush and Doreen Stabinsky (eds.), Valuing local knowledge: indigenous people and intellectual property rights. Island Press, Washington, D.C. 337 pages.
Agricultural Communications Documentation Center, Funk Library, University of Illinois Document Number: C14114
Notes:
First published in Africa Media Review, 4(1), 1990., Chapter 11 in Charles Okigbo (ed.), Development Communication Principles. African Council for Communication Education, Nairobi, Kenya. 365 pages.
