Sardana, J. L. <br/><br/>
Universal decimal classification: Structure and methodology 

 - New Delhi  Ess Ess Publications  1983 
 - vi,208p. 
<br/><br/><label>ISBN: </label> RS 100.00 
<br/><br/><label>Source: </label> RS 100.00 
<br/><br/><label>Dewey Class. No.: </label>025.432 SAR