Department of Census and Statistics
Statistical abstract of ceylon - 1967 - 1968 - Colombo Department of Census and Statistics 1970 - xxv, 396 p.
24918
315.493 / SRI
Statistical abstract of ceylon - 1967 - 1968 - Colombo Department of Census and Statistics 1970 - xxv, 396 p.
24918
315.493 / SRI