Gupta, S. P <br/><br/>
Statistical methods  Textual Documents 
S P Gupta 
 - 38th rev ed 
 - New Delhi, India  Sultan Chand  2009 
 - xx,1468p 
<br/><br/><label>ISBN: </label>978-81-8054-739-3   
<br/><br/><label>Dewey Class. No.: </label>001.422  / GUP