港口与直接腹地经济耦合协调度及其影响因素研究——以环北部湾港口群为例
Publisher: 国家哲学社会科学学术期刊数据库
E-ISSN: 1672-0504|33|6|94-100
ISSN: 1672-0504
Source: 地理与地理信息科学, Vol.33, Iss.6, 2017-01, pp. : 94-100
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Abstract