Sourendra Nath Dey <br/><br/>
Babsay Ganit o Porisankhan 

 - Kolkata  Chaya  1996 
 - 962 p. 
<br/><br/><label>ISBN: </label> 120 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Commerce
<br/><br/><label>Dewey Class. No.: </label>658  / DEY