Raveendran, P.P <br/><br/>
Edapetalukal: sahityam siddhaantam raashtreeyam 

 - Kottayam:  D.C. Books,  1997. 
 - 139p. 
<br/><br/><label>ISBN: </label>9788171307531 
<br/><br/><label>Dewey Class. No.: </label>809.9358 RAV