TY  - BOOK
AU  - Paiva, Ruy Miller.
TI  - The study of agricultural economics in Brazil
U1  - 338.10981 
PY  - 0000///(s.a.)
CY  - (s.l.
PB  - s.e.)
KW  - Agricultura
KW  - Aspectos economicos
KW  - Brasil
ER  -