Ajayakumar, K. <br/><br/>
Vellam / 

 - 3rd ed. 
 - Kottayam :  D C Books ,  2003. 
 - 78 p. 
<br/><br/><label>ISBN: </label>8126404248 
<br/><br/><label>Subjects--Index Terms: </label>Water