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Hebei Univ Econ & Business, Sch Publ Adm, Dept Social Secur, Shijiazhuang, Hebei, Peoples R China
Hebei Collaborat Innovat Ctr Moral & Law Based So, Shijiazhuang, Hebei, Peoples R China
Univ Hong Kong, Sau Po Ctr Ageing, Hong Kong, Peoples R China Hebei Univ Econ & Business, Sch Publ Adm, Dept Social Secur, Shijiazhuang, Hebei, Peoples R China