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Labour Force and Socio-economic Survey, 1980/81

其他書名	Preliminary Report
出版	Department of Census and Statistics, Ministry of Plan Implementation, 1982
URL	http://books.google.com.hk/books?id=zC3tAAAAMAAJ&hl=&source=gbs_api

註釋Statistical tables, survey of housing and amenities in Sri Lanka, 1980-81 - presents data on number of rooms, family size and occupancy rate, water supply, ownership of accomodation, etc. Questionnaire.