TY  - BOOK
AU  - Amarasiri , Sarath
TI  - ජල අසිරිය රැකගැනීම
SN  - 9789554731059
U1  - 363.73 
PY  - 2008///
CY  - Kandy
PB  - Author
KW  - Environment
KW  - Water Pollution
KW  - Natural Resources
KW  - Social Problems
ER  -