Perera, H. D. B. S.  <br/><br/>
Multiple Benefits of small irrigation Tanks and their Economic Value: A case study in the Kala oya Basin, sri lanka 

 - Colombo :  IUCN Sri Lanka Country Office,  2005 
 - iv, 34p.;  29cm 
<br/><br/><label>ISBN: </label>9558177377 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Occasional Papers