Commercial arithmatic and elements of statistics 
By S.C. Chanda 
 - 4th ed/ rep. 
 - Ludhiana:  Kalyani publishers,  2006. 
 - x,434p. 
<br/><br/><label>ISBN: </label>81-272-2700-5 
<br/><br/><label>Subjects--Index Terms: </label>Arithmetic Commercial arithmatic and elements of statistics Commerce 
<br/><br/><label>Dewey Class. No.: </label>513