TY  - GEN
AU  - Medows, Donella M. ... [et al.]
ED  - Marga Institute,  Colombo LK
TI  - Wardhanaye seema
PY  - 1975///
CY  - Colombo
PB  - Marga Institute
KW  - VITAL STATISTICS
KW  - POPULATION
N1  - Text in Sinhala
ER  -