Satija,M.P, <br/><br/>
Theory and practice of the Dewey Decimal Classification system 
By M.P.Satija 
 - 2nd Ed. /  
 - [s.l]:  Chandos publishing,  2007 
 - xxiii;302p. 
<br/><br/><label>ISBN: </label>978-1-84334-738-5 
<br/><br/><label>Dewey Class. No.: </label>2:51M  / P7