Gupta, S.P. <br/><br/>
Advanced practical statistics 

 - New Delhi  S.Chand & Company ltd.  2002 
 - 824p. 
<br/><br/><label>ISBN: </label>81 219 0634 2 
<br/><br/><label>Dewey Class. No.: </label>519.5   Gup.P2