Warren, D.M. Slikkeveer, L.J. Titilola, S.O.
Indigenous knowledge systems: implications for agriculture and international development - Ames, Iowa (EUA) 1989 - 186 p. - Studies in Technology and Social Change - Iowa State University (EUA) no. 11 .
0-945271-15-8
Indigenous knowledge systems: implications for agriculture and international development - Ames, Iowa (EUA) 1989 - 186 p. - Studies in Technology and Social Change - Iowa State University (EUA) no. 11 .
0-945271-15-8