TY  - BOOK
AU  - Berkoff,N.A.
TI  - Agriculture: (including nutrition, fisheries and forestry) 
T2  - English studies series
SN  - 0-19-437720-2
PY  - 1975///
CY  - London
PB  - Oxford University Press
KW  - Agricultura
KW  - Enseñanza de idiomas
KW  - Lengua inglesa
KW  - Texto
ER  -