Girijakumari, S. <br/><br/>
Jalaparisthithi / 
by S. Girijakumari 
 - Thiruvananthapuram :  Prabhatham Printing and Publishing CoPvt Ltd,  2006. 
<br/><br/><br/>In Malayalam 
<br/><br/><label>Subjects--Index Terms: </label>Environmental Science Water