Gupta, S.C. <br/><br/>
Fundamentals of applied statistics 

 - 4th ed. 
 - New Delhi :  Sultan Chand & Sons,  2007. 
 - xx, 9.1-9.74 p.  23 cm. 
<br/><br/><label>ISBN: </label>9788180547058 
<br/><br/><label>Dewey Class. No.: </label>519.5 GUP