基于修正引力模型的京津冀城市经济联系研究

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1006-2912|volume|8|71-75

ISSN: 1006-2912

Source: 经济问题探索, Vol.volume, Iss.8, 2016-01, pp. : 71-75

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Abstract