The vocabulory files :  level B1 - english usage, intermediate/ 
Global elt ltd. 
 - 63 pages :  illustrations ;  29 cm. 
<br/><br/><label>ISBN: </label>9781904663416  RM53.11 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Vocabulary tests.<br/>International English Language Testing System.<br/>English language--Examinations.