Summers,Della  <br/><br/>
Longman English Activatore   For Upper Intermediate Advnced Learning  

 - 2nd 
 - England   Pearson Longman  2010 
<br/><br/><label>ISBN: </label> 599 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English
<br/><br/><label>Dewey Class. No.: </label>423/SUM