TY  - GEN
AU  - Perera K.T
TI  - Evaluation and mapping of suface water resoources in Malwathu oya cascade I
U1  - 621 
PY  - 2011///
KW  - WATER QUALITY PARAMETERS
KW  - GIS
KW  - CASCADE SYSTEM
KW  - WATER SPREAD AREA
ER  -