Prithibir Bibhinna Bhasha  Textual Documents 
Nagen Thakur 
 - 6th ed. 
 - Assam  Jyoti Prakashan  2011 
 - 169pg:  23cm. 
<br/><br/><label>Subjects--Index Terms: </label>Language Deptt- Assamese 
<br/><br/><label>Dewey Class. No.: </label>491.444