TY  - GEN
AU  - Doff , Adrian
AU  - Jones,  Christopher
TI  - Language in use pre intermediate: self-study workbook with answer key
SN  - 0521406021
U1  - 428 
PY  - 1991///
CY  - Cambridge
PB  - Cambridge University press
KW  - ENGLISH LANGUAGE
KW  - ENGLISH USAGE
KW  - HETC
ER  -