Kumar P.S. <br/><br/>
Practical Guide To Ddc.20 

 - 1st 
 - Datta Book Centre Delhi  1990 
 - 246p.  Paper 
<br/><br/><label>ISBN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Library Science
<br/><br/><label>Dewey Class. No.: </label>020  / KUM