Sahai, Nath <br/><br/>
Academic library system  Academic library system._2 Ed, New Delhi : Ess Ess Publication, 2009 
Nath Sahai 
 - 2 
 - New Delhi  Ess Ess Publication  2009 
<br/><br/><label>ISBN: </label>978-81-7000-583-4 
<br/><br/><label>Dewey Class. No.: </label>025.21877