Asthana, B. N. <br/><br/>
Elements of statistics 
B. N. Asthana 
 - 10th ed. 
 - Allahabad  Chaitanya Publishing house  1990 
 - Various pages 
<br/><br/><label>ISBN: </label> 35 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics<br/>Statistical mathematics
<br/><br/><label>Dewey Class. No.: </label>519.5  / AS853