Singh,Sanjay Kumar <br/><br/>
Research methods and techniques in library and information science 

 - 1st ed. 
 - New Delhi  Centrum pub.  2013 
 - 288p. 
<br/><br/><label>ISBN: </label>9789350842614 
<br/><br/><label>Dewey Class. No.: </label>020.72  Si64R