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008 230828b ||||| |||| 00| 0 eng d
022 _a13913433
082 _223
_a304.605
_bSRI
245 _aSri Lanka journal of population studies Vol. 12-13 (2011)
260 _aColombo:
_bPopulation association of Sri Lanka,
_c2011.
300 _a135 p.
509 _aNS
650 4 _913665
_aPopulation
942 _cPRBP