Nagar, A. L <br/><br/>
Basic statistics 
A. L. Nagar; R. K. Das 
 - 2nd ed 
 - Oxford  Oxford University Press  2009 
 - x, 424 p. : ill. ; 22 cm. 
<br/><br/><label>ISBN: </label>9780195615548 
<br/><br/><label>Dewey Class. No.: </label>519.5 NAG