Sangwan, Ravikanth. <br/><br/>
Encyclopaedia of Library and information science 

 - N.Delhi  Anmol Publications Pvt. Ltd.   2006 
 - 328p. 
<br/><br/><label>ISBN: </label> RS 1500.00 
<br/><br/><label>Source: </label> RS 1500.00 
<br/><br/><label>Dewey Class. No.: </label>R 025.3 SAN