Smalzer, William R. <br/><br/>
Grammar in use intermediate : workbook with answers. 

 - Cambridge :  Cambridge University press,  2003. 
 - vi, 188 p. :  il. 
<br/><br/><label>ISBN: </label>0521797209 
<br/><br/><label>Subjects--Topical Terms: </label><br/>INGLES -GRAMATICA -ENSEÑANZA PROGRAMADA