Singh, Shivendra. <br/><br/>
The Theory And Practice Of The Dewey Decimal Classification System 
/ by Shivendra Singh 
 - 1st ed. 
 - New Delhi:  Isha Books,  2011 
 - viii,353p. 
<br/><br/><label>ISBN: </label>9788182055216 
<br/><br/><label>Dewey Class. No.: </label>025.431  / SIN/T