筛选: Committee Duke, Marshall P, Emory University 删除限定条件 Committee: Duke, Marshall P, Emory University Department Sociology 删除限定条件 Department: Sociology Research Field Sociology, Demography 删除限定条件 Research Field: Sociology, Demography Research Field Sociology, Social Structure and Development 删除限定条件 Research Field: Sociology, Social Structure and Development