GUPTA, S P <br/><br/>
Elementary Statistical Methods 

 - 13rd Ed.  Rev. & Enl. Edition 
 -  Sulthan Chand & Sons ,  2001 
 - 720p 
<br/><br/><label>ISBN: </label>81-7014-402-7 
<br/><br/><label>Dewey Class. No.: </label>519  / GUP/E