Betsis, Andrew, <br/><br/>
The vocabulary files :  CEFR level C2 proficiency / 
Andrew Betsis, Sean Haughton. 
 - 63 pages :  illustrations ;  29 cm. 
<br/><br/><label>ISBN: </label>9781781640968  RM53.11 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Vocabulary--Study and teaching.<br/>Vocabulary--Ability testing.