Barrall, Irene. , <br/><br/>
Powerbase :  elementary : teacher's book / 
Irene Barrall. 
 - 96 pages :  illustrations ;  30 cm. 
<br/><br/><label>ISBN: </label>0582479983 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language --Business English.<br/>English language --Business English --Study and teaching.
<br/><br/><label>LC Class. No.: </label>PE1115   / .B37 2002