Kumar PSG <br/><br/>
Library information technology in digital era 
Kumar PSG 
 - 
 - New Delhi  Arjun Publishing House  2017 
<br/><br/>  
<br/><br/><label>ISBN: </label>9788183306423  Rs 
<br/><br/><label>Dewey Class. No.: </label>020.285 SHA/LIB