Water resources of Sri Lanka
Manchanayake, Palitha.
Water resources of Sri Lanka - Colombo : National Science Foundation, 1999. - 112 p. ;
9555900086 9789555900089
Water-supply
333.91 / MAN
Water resources of Sri Lanka - Colombo : National Science Foundation, 1999. - 112 p. ;
9555900086 9789555900089
Water-supply
333.91 / MAN