k.k.s  das   <br/><br/>
dalit prathyaya sasthram 

 - thiruvananthapuram  the state institute of language  2011 
<br/><br/><label>ISBN: </label>978-81-7638-033-1 
<br/><br/><label>Dewey Class. No.: </label>8m3  / DAS/D