Ranganathan S R <br/><br/>
Colon classification 
Ranganathan S R 
 - 6 
 - New Delhi  ESS ESS publication  2008 
<br/><br/>  
<br/><br/><label>ISBN: </label>9788170004233  Rs 
<br/><br/><label>Dewey Class. No.: </label>025.435 RAN/COL;14