美国不同类型R&D投入对生产率的影响及对中国的启示
Publisher: 国家哲学社会科学学术期刊数据库
E-ISSN: 1003-4161|volume|1|156-161
ISSN: 1003-4161
Source: 开发研究, Vol.volume, Iss.1, 2016-01, pp. : 156-161
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Abstract