TY  - GEN
AU  - Sarath , Layanal
TI  - වැවක වතුර
SN  - 9552033144
U1  - 333.7844 
PY  - 1982///
CY  - Colombo
PB  - S.Godage
KW  - ECONOMICS
KW  - RURAL DEVELOPMENT
KW  - ANCIENT IRRIGATION IN SRI LANKA
KW  - PRESENT IRRIGATION
ER  -