Perera, H.D.B.S. <br/><br/>
A Case Study in the Kala Oya Basin Sri Lanka: Multiple Benefits of Small Irrigation Tanks and Their Economic Value - Occasional Papers of IUCN Sri Lanka No. 7, February 2005 

 - Colombo,  IUCN Sri Lanka,  2005, 
 - iv, 34p.  30cm. 
<br/><br/><label>ISBN: </label>9558177377 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Case Study in the Kala Oya Basin<br/>Irrigation Tanks