TY  - BOOK
AU  - Perman,Roger
AU  - Ma,Yue
AU  - McGilvray,James
TI  - Natural resource and environmantal economics
SN  - 0582257271
PY  - 1996///
CY  - London
PB  - Longman
KW  - Environmental economics
KW  - Natural resources
KW  - Management
KW  - Sustainable development
N1  - p. 378-388
ER  -