Asthana, B.N. . <br/><br/>
Elements of Statistics /  Textual Documents 
B.N.Asthana. 
 - Eighth Edn--1981. 
 - Sl : :  Sn , .  1945. 
<br/><br/><label>Subjects--Index Terms: </label>Statistics 
<br/><br/><label>Dewey Class. No.: </label>311  / As 83 El