层级差异、模式举证与我国服务业开放取向
Publisher： 国家哲学社会科学学术期刊数据库
E-ISSN： 1003-7543|volume|7|39-46
ISSN： 1003-7543
Source： 改革, Vol.volume, Iss.7, 2015-01, pp. : 39-46
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Abstract