Gupta, S P <br/><br/>
Statistical Methods/ 
S P Gupta 
 - New Delhi:  Sultan Chand & Sons,  2020. 
 - 1452 pages 
<br/><br/><label>ISBN: </label>9789351611127 
<br/><br/><label>Dewey Class. No.: </label>519.5  / GUP/S