Chakrabarty, Sajal Kanti . <br/><br/>
A Class Book of Mathematics: For Class XI /  Textual Documents 
Sajal Kanti Chakrabarty and Biswajit Bhagawati. 
 - Reprint / 
 - New Delhi :  S Chand & Co Ltd ,  2008. 
 - 403pg ;  28cm. 
<br/><br/><label>ISBN: </label>81-219-1638-0 
<br/><br/><label>Subjects--Index Terms: </label>Mathematics G-Mathematics 
<br/><br/><label>Dewey Class. No.: </label>510  / Ch 349 Cl