Harris, Michael <br/><br/>
Opportunities upper intermediate : teacher's book 

 - Harlow  Longman  2002 
 - 189 p. 
<br/><br/><label>ISBN: </label>0582421527 
<br/><br/><label>Subjects--Topical Terms: </label><br/>LENGUA INGLESA<br/>UPPER INTERMEDIATE<br/>ENSEÑANZA DE LA LENGUA