中小板上市公司R&D投入绩效的实证研究

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1000-7695|35|4|76-80

ISSN: 1000-7695

Source: 科技管理研究, Vol.35, Iss.4, 2015-01, pp. : 76-80

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Abstract