Karunakaran, Thirunalloor. <br/><br/>
Malayala bhasha parinamam :  siddhanthangalum vasthuthakalum / 
by Thirunalloor Karunakaran. 
 - Trivandrum :  Prabhath books,  1965. 
 - 138 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>language
<br/><br/><label>Dewey Class. No.: </label>494  / KAR.M