Manalutte niyandrana niyamam / 
edited by Sv Premakumaran Nair 
 - Thiruvananthapuram :  Malu Ben Publications,  2002. 
<br/><br/><br/>In Malayalam 
<br/><br/><label>ISBN: </label>818748019X 
<br/><br/><label>Subjects--Index Terms: </label>River Boundary Protection Sand Dipping Protection