Samarasekera, H. T. P. <br/><br/>
An introduction to  the economic potencial of the rivers and streams of Sri Lanka  in 4 volumes 

 - Colombo  1980 
 - 32p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ECONOMICS
<br/><br/><label>Dewey Class. No.: </label>333.9162  / S15