Richards, Jack C. <br/><br/>
Changes  1 teacher's book 
Jack C. Richards, Jonathan Hull and Susan Procto 
 - 1st edi. 
 - Cambridge  Cambridge University Press  1994 
 - 160 p.  29 cm. 
<br/><br/> English for International Communication 
<br/><br/><label>ISBN: </label>0521449359 
<br/><br/><label>Dewey Class. No.: </label>428 RIC