TY  - BOOK
AU  - Swan,Michael
AU  - Baker,David
AU  - Swan,Michael
TI  - Practical English usage: diagnostic tests : grammar tests to accompany practical English usage 
SN  - 9780194311434 (Tests pack : paperback)
U1  - 428.24076 
PY  - 2010///
CY  - Oxford
PB  - Oxford University Press
KW  - English language
KW  - Usage
KW  - Grammar
KW  - Textbooks for foreign speakers
KW  - Examinations
ER  -