中德服务部门产业内贸易水平研究

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1005-913x|volume|3|3-6

ISSN: 1005-913x

Source: 北方经贸, Vol.volume, Iss.3, 2016-01, pp. : 3-6

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Abstract