Abhayaratne, O.E.R.2012-01-102012-01-101964The Ceylon Journal of Medical Science13(1)pp.01-77https://dl.nsf.gov.lk/handle/1/6986DemographyPopulation growthMortality rateBirth rateReproduction (Physiology)CultureEconomic conditionsSociocultural changesReligionLiteracyUrbanizationOccupationStatistical analysisPublic healthArticle