TY  - BOOK
ED  - Centro Internacional de la Papa
TI  - Social science research at the International Potato Center: : report of the second social Science Planning Conference
U1  - 635.21 
PY  - 1981///
CY  - Lima
PB  - (El Centro)
KW  - Papa
KW  - Congresos
KW  - Sociología rural
ER  -