TY  - GEN
AU  - Kotagama , Sarath
AU  - Padmaperuma , Aruna
TI  - පරිසර සංරක්ෂණය
SN  - 9558576085
U1  - 333.7 
PY  - 2003///
CY  - Colombo
PB  - Sri Lanka Kshesthra Pakshi Vidya Kavaya
KW  - ENVIRONMENTAL CONSERVATION
KW  - ECONOMICS
KW  - NATURAL RESOURCES CONSERVATION
ER  -