Refine your search
Availability
-
Authors
- N. Ratnayake (1)
- Sabanesan, S.S. (1)
- Wijegoonewardene, Sr... (1)
-
Holding libraries
-
Item types
- Thesis (2)
-
Locations
-
Topics
- AQUIFER (2)
- FRESH WATER (2)
- MANNAR (2)