Gupta, S.P. <br/><br/>
Statistical methods  Statistical methods / Ed by  Archana Gupta._7th Rev.Ed., New Delhi : Sultan Chand and Sons, 2008 

 - 7th Rev.Ed. 
 - New Delhi  Sultan Chand and Sons  2008 
<br/><br/><label>Dewey Class. No.: </label>311`  / G955S