TY  - BOOK
AU  - Jayawardena, U.de S
TI  - An Introduction to water resources
SN  - 9789555186117
U1  - B0666 
PY  - 2009///
CY  - Pilimatalawa
PB  - U.de S. Jayawardena
KW  - BOOKS BOX 666
KW  - WATER
ER  -