Chambers, Robert. <br/><br/>
Water Management and paddy producation in the dry zone of Sri Lanka 

 - Colombo  Agrarian research and training institute  1975 
 - x, 71 p. 
 - Occasional publication series no.8 .
<br/><br/><label>ISBN: </label>31631 
<br/><br/><label>Dewey Class. No.: </label>631.71  / SRI