Socioe-conomic survey of Sri Lanka
Socioe-conomic survey of Sri Lanka 1969-1970, rounds 1-4, statistical tables vol .11 [Text]
Sri Lanka. Department of Census and Statistics
- Colombo Department of Census and Statistics 1973
- 231 p. 30 cm.
Statistics & Probabilities
Economic
330.95493 / SRI
Statistics & Probabilities
Economic
330.95493 / SRI