Radhika Devi, T. R. <br/><br/>
Sabdathinte lokam / 
by T. R. Radhika Devi 
 - Thiruvananthapuram :  Kerala State Institute of Children's Literature,  2003. 
 - Sastra Kairali  42 .
<br/><br/><br/>In Malayalam 
<br/><br/><label>Subjects--Index Terms: </label>Physics Sound