Ancient Dry Zone Watershed Farming System(Hena, Wewa and Purana, Evolved by Farmers and Failed by Ru is a English-language book by Dr. James Handawela. Published by Godage International Publishers. 136 pages.
| ISBN | 9789553091512 |
| Language | English |
| Publisher | Godage International Publishers |
| Author | Dr. James Handawela |
| Pages | 136 |
