TY  - GEN
AU  - Kotagama , H. B. 
AU  - Vidanage , Shamen.
AU  - Dhahanayake , Upali
TI  - A field manual for environmental valuation in Sri Lanka
SN  - 9559120166
U1  - 333.7 
PY  - 2005///
CY  - Battaramulla
PB  - Environmental econoics and global affairs division
KW  - SUSTAINABLE DEVELOPMENT
KW  - ENVIRONMENTAL CONSERVATION
KW  - ENVIRONMENTAL ECONOMIC
ER  -