Kumar, P.S.G. <br/><br/>
Practical guide to DDC 20 (Dewey Decimal Classification edition 20) 
P.S.G. Kumar 
 - Nagpur  Dattson Pub.  1990 
 - 248 
<br/><br/><label>ISBN: </label>8171920004 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Dewey decimal classification
<br/><br/><label>Dewey Class. No.: </label>025.431  / KUM N0