基于DEA-Malmquist指数的医药企业技术创新效率评价

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1000-7695|volume|9|69-73

ISSN: 1000-7695

Source: 科技管理研究, Vol.volume, Iss.9, 2017-01, pp. : 69-73

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Abstract