Gupta, S. P. <br/><br/>
Statistical methods / 
S.P. Gupta. 
 - 33rd rev. ed. 
 - New Delhi, India :  Sultan Chand,  2004. 
 - [xxiv], 1468 p. :  ill. ;  23 cm. 
<br/><br/><label>ISBN: </label>8180542149 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Statistics--Methodology.