TY  - BOOK
AU  - Valdes,Alberto
TI  - Economics and the design of small-farmer technology
SN  - 0813819105
U1  - 338.43 
PY  - 1979///
CY  - IOWA
PB  - Lowa State University Press
KW  - design of small-farmer technology
KW  - small-farmers
KW  - agricultural innovations
KW  - technology
KW  - agriculture - economic aspects - congresses
ER  -