Ranganathan, S R <br/><br/>
Colon classification 

 - 6th ed. 
 - New Delhi  Ess ess pub.  2014 
 - v.p. 
<br/><br/><label>ISBN: </label>9788170004233 
<br/><br/><label>Dewey Class. No.: </label>025.4  R162C