Gupta S P <br/><br/>
Statistical methods 

 - New Delhi:  S.Chand and company.  2005 
 - xx,1468p. 
<br/><br/> include statistical tables 
<br/><br/><label>ISBN: </label>81 8054 214 9 
<br/><br/><label>Dewey Class. No.: </label>001.422  / GUP/S