Gopikuttan, A <br/><br/>
Research @ Library and Information science 
A Gopikuttan and Vijay Kumar K P 
 - New Delhi  Ess Ess Publications  2011 
<br/><br/><label>ISBN: </label>9788170006381 
<br/><br/><label>Dewey Class. No.: </label>020 GOP/RES