TY  - GEN
AU  - Kotagama,Sarath
AU  - Padmaperuma,Aruna
TI  - සංරක්ෂණ සංකල්පනා
SN  - 9558576093
U1  - 333.7 
PY  - 2003///
CY  - Colombo
PB  - Sri Lanka Kshesthra Pakshi Vidya Kavaya
KW  - ENVIRONMENTAL CONSERVATION
KW  - ECONOMICS
KW  - ENVIRONMENT
ER  -