Dube, Mahendra Nath <br/><br/>
Bhasha, Bhasha-Vigyan aur Rajbhasha Hindi 

 - New Delhi  Vani Prakashan  2010 
 - 291 
<br/><br/><label>ISBN: </label>9789350002230 
<br/><br/><label>Dewey Class. No.: </label>491.43018 DUB