Basic mathematics for commerce and economics 
By J.N. Patnaik 
 - Ludhiana:  Kalyani publishers,  1999. 
 - x,566p. 
<br/><br/><label>ISBN: </label>81-7096-200-5 
<br/><br/><label>Subjects--Index Terms: </label>Economics Basic mathematics for commerce and economics 
<br/><br/><label>Dewey Class. No.: </label>330.1543