TY  - BOOK
AU  - Baigent,Maggie
AU  - Jeffries,Amanda
TI  - Clockwise advanced: Teacher's book 
T2  - Short course series
SN  - 9780194340939
PY  - 2007///
CY  - Oxford
PB  - Oxford University Press
KW  - English language
KW  - Foreign speakers
KW  - Study and teaching
KW  - textbook for foreign speakers
ER  -