TY  - BOOK
AU  - Helgesen, Marc
AU  - Adams, Keith 
TI  - Workplace English : : Office file : teacher's manual 
SN  - 9780582279254
U1  - 420 
PY  - 1998///
CY  - London : 
PB  - Longman, 
KW  - English
KW  - Commercial language
ER  -