TY  - BOOK
AU  - Betsis Andrew & Mamas Lawrence
TI  - IELTS: The Vocabulary Files B2 - Students Book and Teacher’s Book: English Usage - Upper Intermediate, Score: 5.0 – 5.5 – 6.0
SN  - 9781904663430  & 9781904663447
U1  - EX/428.43/BET 
PY  - 2012///
CY  - UK
PB  - Global ELT
ER  -