Scott, Mona L <br/><br/>
Dewey Decimal Classification 21st edition  : a study manual and number building guide 
Mona L. Scott 
 - London:  Libraries Unlimited,  2004. 
 -  ix,198p. 
<br/><br/> Hardcover 
<br/><br/>Includes bibliographical references and index 
<br/><br/><br/>eng 
<br/><br/><label>ISBN: </label>1563085984 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Classification, Dewey Decimal
<br/><br/><label>Dewey Class. No.: </label>025.431  / SCD