Sengupta, S. . <br/><br/>
Intermediate Text Book of Commercial Arithmetic /  Textual Documents 
S. Sengupta. 
 - 1st ed. / 
 - Calcutta :  H. Chatterjee & Co ,  nd. 
 - 316p. ;  17cm. 
<br/><br/><label>Subjects--Index Terms: </label>Statistics-Commercial Arithmetic G-Statistics Arithmetic-Commercial 
<br/><br/><label>Dewey Class. No.: </label>311.8  / Se 55 In