Gupta,S.P. <br/><br/>
Statistical methods.- 29th rev.ed. 
S.P.Gupta 
 - 29th rev.ed. 
 - New Delhi  Sultan chand & sons  2000 
 - xx,1425p. 
<br/><br/><label>Subjects--Index Terms: </label>Statistical methods 
<br/><br/><label>Universal Decimal Class. No.: </label>519.237  / GUP