Arora,P.N., <br/><br/>
Elements of Statistical Methods 

 - 1st ed. 
 - New Delhi:  S.Chand. & Company Ltd.,  2009. 
 - x, 13.23p:  23 cm. 
<br/><br/><label>ISBN: </label>81-219-3094-4 
<br/><br/><label>Dewey Class. No.: </label> / ARO