Dhyani, Pushpa. <br/><br/>
Classifying with Dewey Decimal Classification :  (editions 19th and 20th) / 
Pushpa Dhyani. 
 - New Delhi :  Ess Ess Pub.,   2002. 
 - 204 p. ;  22 cm. 
<br/><br/><label>ISBN: </label>8170003261 (hbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Classification--Books.<br/>Classification of sciences.