TY  - BOOK
T1  - Roots of the farm problem
A1  - Heady, Earl O
LA  - English
PP  - Ames, Iowa
PB  - Iowa State University Press
YR  - 1967
UL  - https://colectivo.uloyola.es/Record/L36232
OP  - 224
KW  - Agricultura
KW  - Sector agrícola
ER  -