Sukumaran Nair, Chembooru <br/><br/>
Vallatholkkavithapadanam / 
by Chembooru Sukumaran Nair 
 - Thiruvananthapuram :  State Institute of Languages,  2006. 
<br/><br/><br/>In Malayalam 
<br/><br/><label>ISBN: </label>8176385085 
<br/><br/><label>Subjects--Index Terms: </label>Malayalam Literature Vallathol - Criticism