Nair, Ravisankar S. <br/><br/>
Bhashayum Bhashasasthravum / 
Ravisankar S. Nair 
 - 1st ed. 
 - Thiruvananthapuram:  The State Institute of Languages,  2020. 
 - 354p. 
<br/><br/><label>ISBN: </label>9789390520473 
<br/><br/><label>Dewey Class. No.: </label>894.812  / NAI/B