TY  - BOOK
AU  - Cotton,D.
AU  - Falvey,David
AU  - Kent,Simon
TI  - Market Leader: elementary – Practice File 
U1  - 428.34 
PY  - 2012///
CY  - UK
PB  - Pearson, 
KW  - English language
KW  - Business English
KW  - Problems, exercises, etc
KW  - Computer-assisted instruction
KW  - Study and teaching
KW  - Computer-assisted instruction for foreign speakers
ER  -