人口老龄化与服务业发展动态关系研究

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1007-0672|36|3|71-75

ISSN: 1007-0672

Source: 西北人口, Vol.36, Iss.3, 2015-01, pp. : 71-75

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Abstract