Amarasiri,Sarath. <br/><br/>
Caring For Water 

 - Nugegoda  Sri lanka Nature Forum   2008 
 - pl,161p., 21 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sources of Water <br/>Pollution of Water <br/>Eutrophication
<br/><br/><label>Universal Decimal Class. No.: </label>502.65  / AMA