TY  - BOOK
AU  - Epp,Donald J.
AU  - Malone,John W.
TI  - Introduction to agricultural economics
SN  - 0023339403
U1  - 338.1 
PY  - 1981///
CY  - New York
PB  - Macmillan, 
KW  - AGRICULTURA
KW  - ASPECTOS ECONOMICOS
ER  -