Arnold, John <br/><br/>
Focus     course book  / 
John Arnold; Roger Scott 
 - London    Eurocentres,   1989 
 - 3v.    il. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ingles --Texto para extranjeros
<br/><br/><label>LC Class. No.: </label>PE1128  / .A76 1989