Kanwer Pal Singh <br/><br/>
Basic facts of digital library 

 - first,ed. 
 - N.Delhi  Anmol Publications  2014 
 - 303p. 
<br/><br/><label>ISBN: </label>9788126161997 
<br/><br/><label>Dewey Class. No.: </label>025.042  Si64B