TY  - BOOK
AU  - Black,Michael
AU  - Sharp,Wendy
TI  - Objective IELTS: intermediate. Workbook with answers 
SN  - 0521608740
U1  - 428.24071 22
PY  - 2006///
CY  - Cambridge
PB  - Cambridge University Press
KW  - English language
KW  - Study and teaching
KW  - Foreign speakers
KW  - International English Language Testing System
KW  - IELTS
KW  - Tiếng Anh
ER  -