- Publication venue
- Battaramulla:CEA, 20p.
- Publication date
- 01/01/2004
- Field of study
- Publication venue
- CEA. Colombo
- Publication date
- 01/01/2008
- Field of study
- Publication venue
- Battaramulla:CEA, 12p.
- Publication date
- 01/01/2004
- Field of study
- Publication venue
- CEA. Colombo
- Publication date
- 01/01/1988
- Field of study
- Publication venue
- Colombo:Central Environment Authority
- Publication date
- 01/01/1980
- Field of study
- Publication venue
- CEA:Battaramulla, 46p.
- Publication date
- 01/01/2004
- Field of study
- Publication venue
- CEA. Colombo
- Publication date
- 01/01/1987
- Field of study
- Publication venue
- CEA. Colombo
- Publication date
- 01/01/1987
- Field of study
- Publication venue
- Colombo:Central Environment Authority, 116p.
- Publication date
- 01/01/1994
- Field of study
- Publication venue
- Colombo:CEA, 30p.
- Publication date
- 01/01/1987
- Field of study