Joy Thirummoolapuram <br/><br/>
Vartha,Volume1:  by  Joy Thirummoolapuram 
Swabhavam,Prakritham,Moolyam,Uravidam/ 
 - 3ed. 
 - Thiruvannathapuram:  The State Institute of Languages,  1997. 
 - 186p. 
<br/><br/><label>ISBN: </label>9788176387064 
<br/><br/><label>Dewey Class. No.: </label>M070.1  / JOY/V V.1