Preliminary Finding of the 1981 census,
Peiris,W.A.A.S.
Preliminary Finding of the 1981 census, - Colombo Department of Census and statictics 1981 - 22p.
Collections of general statistics
312 / SRI
Preliminary Finding of the 1981 census, - Colombo Department of Census and statictics 1981 - 22p.
Collections of general statistics
312 / SRI