Small farmers I : Social economic system research methodologies
Pinare, A.G.V., Fuentes, C.O.W.
Small farmers I : Social economic system research methodologies - Small Farmers, Economic System 1984 - 213 p. - No. 24; Brasil EMBRAPA Centro .
63(068.1)309.2
Small farmers I : Social economic system research methodologies - Small Farmers, Economic System 1984 - 213 p. - No. 24; Brasil EMBRAPA Centro .
63(068.1)309.2