TY  - BOOK
AU  - Udawatta , Amal
TI  - ස්වභාවික විපත්
SN  - 9789556550078
U1  - 363.34 
PY  - 2005///
CY  - Dankotuwa
PB  - Wasana
KW  - Natural Disasters
KW  - Environmental Problems
KW  - Environmental Pollutions
KW  - Social Problems
ER  -