SRI LANKA.Department of Census and Statistics
Survey of household ecoomic activities - 1984/85 Sri lanka: prelimiary report /Department of Census and Statistics - Colombo Department of Census and Statistics 1985 - 98, xxvi p.
315.493 / SRI
Survey of household ecoomic activities - 1984/85 Sri lanka: prelimiary report /Department of Census and Statistics - Colombo Department of Census and Statistics 1985 - 98, xxvi p.
315.493 / SRI