Ratnaweera, D. de. S <br/><br/>
Frist Settlements for Mahaweli :  A case study for training on early settlements under the Mahaweli Scheme /  English. 
Ratnaweera, D. de. S. 
 - [ii], 43 p.:  21cm. 
<br/><br/><label>Dewey Class. No.: </label>X631.67  / RAT