R&D投入与企业绩效的倒N型关系研究

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1001-8263|volume|1|32-38

ISSN: 1001-8263

Source: 南京社会科学, Vol.volume, Iss.1, 2016-01, pp. : 32-38

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Abstract