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  2005 
 - 34p.  29cm. 
<br/><br/><label>ISBN: </label>9558177377 
<br/><br/><label>Subjects--Topical Terms: </label><br/>WATER FOR IRRIGATION
<br/><br/><label>Dewey Class. No.: </label>333.913  / PER