irinchayam  ravi <br/><br/>
bhasha vyavahara roopangal 

 - thiruvananthapuram  state institute of language  2009 
<br/><br/><label>ISBN: </label>81-7638-732-0 
<br/><br/><label>Dewey Class. No.: </label>8m0.9  / RAV/B