京津冀协同发展背景下天津市第三产业主导产业选择研究
Publisher: 国家哲学社会科学学术期刊数据库
E-ISSN: 1001-8409|30|12|43-48
ISSN: 1001-8409
Source: 软科学, Vol.30, Iss.12, 2016-01, pp. : 43-48
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Abstract