Gopinatha Pilla, Vattaparambil <br/><br/>
Malayala paryaya nighandu / 
by Vattaparambil Gopinatha Pilla 
 - 7th ed. 
 -  Kerala Bhasha Institute,  2001. 
<br/><br/><br/>In Malayalam 
<br/><br/><label>Subjects--Index Terms: </label>Malayalam Nikhandu