TY  - BOOK
AU  - Davies, Alan  .
TI  - Assessing academic English: testing english proficiency, 1950-89: the IELTS solution / 
SN  - 978-0-521-54250-0
U1  - P111 
PY  - 2008///
CY  - Cambridge : 
PB  - Cambridge University Press , 
KW  - International English Language Testing System
ER  -