රුහුණු රුවන 
 Ruhunu ruvana 

 - 20p.,  21 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Lunugamwehera <br/>Irrigation <br/>Kiridi oya <br/>Hydro power <br/>Mahaweli
<br/><br/><label>Universal Decimal Class. No.: </label>626.81  / GAM