Growth and problems of world population and Sri Lanka (in Sinhala)

Ratnayake, M.2010-07-062010-07-062010-07-06https://dl.nsf.gov.lk/handle/1/5375Population GrowthPopulation ProblemsWorld PopulationSri Lanka PopulationPopulation DevelopmentPopulationEducationGrowth and problems of world population and Sri Lanka (in Sinhala)