TY  - GEN
AU  - Gunatilake , Herath M.
TI  - Environmental valuation: theory and applications
SN  - 9559812106
U1  - 333.7 
PY  - 2003///
CY  - Peradeniya
PB  - Postgraduate Institute of Agriculture University of Peradeniya
KW  - ECONOMICS
KW  - ENVIRONMENTAL VALUATION METHODS
ER  -