Handawela, James <br/><br/>
Ancient dry zone watershed farming system: hena, wewa and purana; evolves by farmers and failes by rulers 

 - Colombo  Godage  2016 
 - 136 p.  Colour illustration 
<br/><br/><label>ISBN: </label>9789553091512 
<br/><br/><label>Subjects--Topical Terms: </label><br/>BOOKS BOX B1650<br/>DRY ZONE<br/>WATER MANAGEMENT
<br/><br/><label>Dewey Class. No.: </label>B1650  / LDC