Agricultural Communications Documentation Center, Funk Library, University of Illinois Box: 75 Document Number: C03815
Notes:
James F. Evans Collection; See C03810 for original, In: Warren, D. Michael; Slikkerveer, L. Jan; and Titilola, S. Oguntunji, eds. Indigenous knowledge systems : implications for agriculture and international development. Ames, IA : Iowa State University, Technology and Social Change Program, 1989. p. 68-78