Deepak Chawla. <br/><br/>
Research methodology :   concepts and cases / 
Neena Sondhi. 
 - New Delhi,  Vikas,  2011. 
 - 670 p. : 
<br/><br/><label>ISBN: </label>9788125952053 
<br/><br/><label>Dewey Class. No.: </label>307  / DEE.R