Vasudevan Nair, R. <br/><br/>
Sasyavarageekaranathathwangal / 
by R. Vasudevan Nair 
 - Thiruvananthapuram :  Kerala Bhasha Institute,  1971. 
<br/><br/><br/>In Malayalam 
<br/><br/><label>Subjects--Index Terms: </label>Botany