Universal Decimal Classification :  intere [Dnational medium edition 

 - 2nd ed 
 - 2 v 
 - FID publication ; n.571 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Língua inglesa
<br/><br/><label>Universal Decimal Class. No.: </label>025.45=20  / U58