Analysis in the design of new technology for small farmers, Centro International de Agricultura Tropical,1975.

Published by : The State U.P., (Iowa :) Physical details: xii, 211 p. ill Subject(s): Valdes, Alberto, -- 1935 | Centro International de Agricutura Tropical. | Farmers, Small -- Congresses | Agricultural innovations -- Congresses | Agriculture -- economic aspects -- Congresses | Rural development -- Congresses Year: 1979 Reviews from LibraryThing.com: