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

 - 1st Ed. 
 -  Sulthan Chand & Sons ,  2008 
 - 772p 
<br/><br/><label>ISBN: </label>81-8054-61-3 
<br/><br/><label>Dewey Class. No.: </label>519  / GUP/E