Chanda,S.C. <br/><br/>
Commercial arithmatic & elem. of statistics 

 - 1st reprint. 
 - Delhi:  Kalyani Publishers. 
 - 228. 
<br/><br/><label>ISBN: </label>81-7096550-0 
<br/><br/><label>Dewey Class. No.: </label> / CHA