GUPTA, C.B <br/><br/>
An Introduction to Statistical Methods 

 - 17 th ed 
 - Delhi  Vikas publishing House PVT LTD  1987 
 - x, 758p., ill., 22cm. 
<br/><br/> Includes: Index 
<br/><br/><label>ISBN: </label>0-7069-3750-3 
<br/><br/><label>Dewey Class. No.: </label>519.5 GUP