Dube, Udaya Narayan  .  <br/><br/>
Rajabhasha Ke Sandharbha Me Hindi Andolanaka Ithihas / Udaya Narayan Dube. 

 - 1st ed /  
 -  New Delhi : Prakashan Sansthan ,   1979 
 - 244 
<br/><br/><label>Dewey Class. No.: </label>891.43  / DUB