Sengupta,S . <br/><br/>
Commercial Arithmetic  Textual Documents 
By S Sengupta 
 - ist. 
 - Calcutta:  H Chatterjee,  1940. 
 - 316pg:  20cm. 
<br/><br/><label>Subjects--Index Terms: </label>Commercial Arithmetic Mathematics G-Math 
<br/><br/><label>Dewey Class. No.: </label>511