Vedihiti posana adyapana veda satahana 1981
Vedihiti posana adyapana veda satahana 1981 agaime vartava [Text]
Sri Lanka. Ministry of Planning and Implementation
- Colombo Ministry of Planning and Implementation 1983
- iii, 70 p. 25 cm.
Social Problems & Services
362.17607 / SRI
Social Problems & Services
362.17607 / SRI