GUPTA, S.P. <br/><br/>
STATISTICAL METHODS 

 - 30th Ed. 
 - New Delhi  Sultan Chand and Sons, New Delhi   2001 
<br/><br/><label>ISBN: </label>81 7014 896 0 
<br/><br/><label>Dewey Class. No.: </label>519.5  / GUP/S