Karunarathne, Garvin <br/><br/>
Nuwara kalaviya 

 - Colombo  Godage  2020 
 - xv,17-108 p.  Illustration 
<br/><br/><label>ISBN: </label>9786240006125 
<br/><br/><label>Subjects--Topical Terms: </label><br/>AGRICULTURAL ECOLOGY<br/>ANCIENT IRRIGATION SRI LANKA<br/>IRRIGATION<br/>WATER CONSERVATION<br/>WATER MANAGEMENT
<br/><br/><label>Dewey Class. No.: </label>B2717  / LDC