Demographic survey, 1994 : Sri Lanka
Dept. of Census and Statistics, Ministry of Finance and Planning
Sri Lanka demographic survey, 1994
Dept. of Census and Statistics, Ministry of Finance and Planning 1997 Demographic survey, 1994 : Sri Lanka release 4
所蔵館1館
Dept. of Census and Statistics, Ministry of Finance and Planning 1997 Demographic survey, 1994 : Sri Lanka release 3
Dept. of Census and Statistics, Ministry of Finance and Planning 1996 Demographic survey, 1994 : Sri Lanka release 2