OCollaboratingCentreforEducation,TrainingandResearchattheFacultyofOdontology,Malm?,Sweden,supportedbytheWHOGlobalOralHealthProgrammeforOralHealthSurveillanceandNiigataUniversity,Japan.
OppenheimMason,Karen.“ExplainingFertilityTransitions.”Demography,Vol.
34,No.4,1997,pp.443-54.gapm.io/xferttra.
Ostrom,Elinor.GoverningtheCommons.Cambridge,UK:CambridgeUniversityPress,1990.
OurWorldInData[1].Roser,Max,andEstebanOrtiz-Ospina.“Decliningglobalpoverty:shareofpeoplelivinginextremepoverty,1820–2015,GlobalExtremePoverty.”PublishedonlineatOurWorldInData.org.AccessedNovember20,2017.
OurWorldInData[2].Roser,Max,andEstebanOrtiz-Ospina.“WhendidliteracystartgrowinginEurope?”PublishedonlineatOurWorldInData.org.AccessedNovember20,2017.
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