Ranganathan,S.R. <br/><br/>
Reference Service 

 - New Daelhi:  Ess Ess Publication,  1940. 
 - 432p. 
<br/><br/><label>ISBN: </label>81700046667 
<br/><br/><label>Dewey Class. No.: </label>025.52  / RAN/R