TY  - BOOK
AU  - Jayasundara , J.M.S.B.
TI  - පරිසර සංරක්ෂණය
SN  - 9789555176316
U1  - 333.7 
PY  - 2009///
CY  - Mihintale
PB  - Author
KW  - Environmental Conservation
KW  - Economics
KW  - Natural Recourses
ER  -