Singh,Jagtar <br/><br/>
Library information science in digital age 
JagtarSingh 
 - New Delhi  Ess Ess Publications  2009 
 - xxvi,459 
<br/><br/><label>ISBN: </label>8170005803 
<br/><br/><label>Dewey Class. No.: </label>25.1  / JA-L