Chattopadhyay,Hiren. <br/><br/>
Bhasha twatto o bangla bhashar itihas 
Hiren Chattopadhyay 
 - Kolkata:  Ekush Shatak. 
 - 174p. 
<br/><br/><label>ISBN: </label>978-93-83521-21-0 
<br/><br/><label>Standard No.: </label>5244  [RecID from old SOUL v2 database] 
<br/><br/><label>Subjects--Index Terms: </label>General 
<br/><br/><label>Dewey Class. No.: </label>491.44