Dayal, Mala (Editor) <br/><br/>
Statistics: Theory and practice 

 - 9th Edition 
 - Delhi  Surjeet Book Depot  1983 
 - 354p. 
<br/><br/><label>ISBN: </label> RS 25.00 
<br/><br/><label>Source: </label> RS 25.00 
<br/><br/><label>Dewey Class. No.: </label>519 DAY