TY  - BOOK
ED  - Commonwealth Agricultural Bureaux
ED  - International Farm Management Congress
TI  - The role of agriculture in society: : paper presented at the fourth International Farm Management Congress, London, 1980
U1  - 631.3 
PY  - 1981///
CY  - London
PB  - CAB
KW  - Agricultura
KW  - Trabajadores
KW  - Maquinaria agrícola
KW  - Mecanización agrícola
ER  -