TY  - GEN
AU  - Cooray , P. G.
TI  - Commonsense about our environment
SN  - 9555900116
U1  - 333.7 
PY  - 1997///
CY  - Colombo
PB  - NARESA
KW  - LANDSLIDES
KW  - POLLUTION
KW  - EROSION
KW  - DEFORESTATION
KW  - WATER SUPPLIES
KW  - ENVIRONMENTAL ECONOMICS
KW  - CONSERVATION
ER  -