Doff, Adrian <br/><br/>
Language in use. Upper- Intermediate :   classroom book 

 - 5a. ed. 
 - Cambridge :   Cambridge University,   1997. 
 - 128 p. ;   30 centímetro 
<br/><br/><label>ISBN: </label>0521555507 
<br/><br/><label>Subjects--Topical Terms: </label><br/>INGLES-ENSEÑANZA
<br/><br/><label>Universal Decimal Class. No.: </label>802:37