ප්රගතිය, 1970 -1975
ප්රගතිය, 1970 -1975 [Text - Sinhala]
= Pragatiya, 1970 -1975
- Colombo Ministry of Irrigation, Electricity and Highways 1975
- xii, 147 p. ill. 25cm.
Text in Sinhala
Economics
Water for irrigation
333.913 / SRI
Text in Sinhala
Economics
Water for irrigation
333.913 / SRI