[Differentiation of the age structure of the world population in light of the methods of its classification].
Dlugosz
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D017677:Age Distribution; D000367:Age Factors; D002965:Classification; D003710:Demography; D011153:Population; D011154:Population Characteristics; D012106:Research; D013223:Statistics as Topic
Age Distribution; Age Factors; Classification; Demographic Factors; Estimation Technics; Population; Population Characteristics; Research Methodology; World