Scott, Mona L <br/><br/>
Dewey decimal classification, 21st edition : a study manual and number building guide 
Mona L. Scott 
 - Englewood, Colo  Libraries Unlimited  c1998 
 - ix, 198 p. ; 25 cm 
<br/><br/> Includes bibliographical references (p. 183-186) and index 
<br/><br/><label>ISBN: </label>9781563085987 
<br/><br/><label>ISSN: </label>98006948 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Classification, Dewey decimal
<br/><br/><label>Dewey Class. No.: </label>025.431 SCO