Spectrum 1  A communicative course in english 

 - Estados Unidos  Prentice Hall  1987 
 -  136 p.  25 cm 
<br/><br/><label>ISBN: </label>013826637901 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SCOPE AND SEQUENCE<br/>OUT OF ORDER
<br/><br/><label>Dewey Class. No.: </label>A28.2 W295s