Gupta, S.P. and Gupta, Archana <br/><br/>
Advanced Pratical Statistical 

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