Dhyani, Pushpa. <br/><br/>
Classifying With Dewey Decimal Classification (Editions 19 and 20) 
/ by  Pushpa Dhyani 
 - 1st ed. 
 - New Delhi:  Ess Ess Publications,  2002 
 - 204p. 
<br/><br/><label>ISBN: </label>8170003261 
<br/><br/><label>Dewey Class. No.: </label>025.4  / DHY/C