TY  - BOOK
AU  - Doff, Adrian 
AU  - Thaine, Craig
AU  - Puchta, Herbert
AU  - Stranks, Jeff
AU  - Lewis-Jones, Peter
TI  - Cambridge English empower: upper intermediate student's book 
SN  - 9781107468726
U1  - 428.24 DOF-A 
PY  - 2015///
CY  - United Kingdom 
PB  - Cambridge University Press
KW  - English language
KW  - English language--Grammar
KW  - English language--Study and teaching (Secondary)
KW  - English language--Study and teaching--Foreign speakers
KW  - English language--Study and teaching
ER  -