Sanjay Kumar Singh <br/><br/>
Revolvtion of digital environment on library and information service 
Sanjay Kumar Singh 
 - 
 - New Delhi  B.R Publishing  2015 
<br/><br/>  
<br/><br/><label>ISBN: </label>9.78935050234e+12  Rs 
<br/><br/><label>Dewey Class. No.: </label>025.042 RAM/REV.1