Gupta C B <br/><br/>
Introduction to statistical methods . 
Gupta C B 
 -  1973 
<br/><br/><label>Standard No.: </label>7530 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>B28, K9-,L3;1