GUNADASA,Sunil A.M.S.. ed. <br/><br/>
The Kimbulwana Oya Irrigation Scheme: An approach to improved systerm Management 

 -  Colombo. Intrenational Irriga  tion Manage1989 
 - (xiii),42p 
<br/><br/><label>Dewey Class. No.: </label>631.75493