Chanda,S.C. <br/><br/>
Commercial Arithmetic & Elements of Statistics 

 - 4th. 
 - New Delhi:  Kalyani Publishers. 
 - 298. 
<br/><br/><label>ISBN: </label>81-272-2092-2 
<br/><br/><label>Dewey Class. No.: </label> / CHA