TY  - BOOK
AU  - Allen,J.P.B.
AU  - Widdowson,H.G.
TI  - English in social studies: english in foucs 
T2  - English in focus
SN  - 0194375188
U1  - 428 23
PY  - 1978///
CY  - London
PB  - Oxford University Press
KW  - English language
KW  - Textbooks for foreign speakers
KW  - Technical English
KW  - Physics
KW  - Problems, exercises, etc
KW  - Readers
ER  -