特大城市老龄群体危机社会机理建模研究——以北京市典型案例为例

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1009-3370|19|3|116-120

ISSN: 1009-3370

Source: 北京理工大学学报:社会科学版, Vol.19, Iss.3, 2017-01, pp. : 116-120

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Abstract