外贸对沿海港航公司经济效率影响的空间差异分析
Publisher: 国家哲学社会科学学术期刊数据库
E-ISSN: 1008-8318|33|1|37-45
ISSN: 1008-8318
Source: 浙江海洋学院学报:人文科学版, Vol.33, Iss.1, 2016-01, pp. : 37-45
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Abstract