Sen & Das. <br/><br/>
Pre -Univversity Mathematics  Profs.Sen & Das 

 - 1ST. 
 - [s.l]:  Dass Publissing Coneern 
 - 312p. 
<br/><br/><label>Subjects--Personal Names: </label><br/>Math, Mathematics. 
<br/><br/><label>Dewey Class. No.: </label>510