Pramod Kumar Naik <br/><br/>
Research methodology 
by Pramod Kumar Naik and Pushkar Dubey 
 - New Delhi  APH pub.  2016 
 - 410p. 
<br/><br/><label>ISBN: </label>9788179460306 
<br/><br/><label>Dewey Class. No.: </label>001.42 PRAM/RES