Sethunath,V.S <br/><br/>
Library and information science 

 - 1st ed. 
 - New Delhi  Crescent Publishing Corporation  2012 
 - 286p. 
<br/><br/><label>ISBN: </label>9788183422338 
<br/><br/><label>Dewey Class. No.: </label>020  Se75L