TY  - BOOK
AU  - Gunasekara.H.R.
TI  - Preliminary evaluation of age -sex data of census of population & housing -2001
SN  - 9555775451
U1  - 312 
PY  - 2001///
CY  - Colombo
PB  - Department of census & statistics
KW  - Collections of general statistics
ER  -