中国林产工业企业R&D投入—产出效率分析——基于DEA模型的比较研究

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1005-8141|33|8|991-995

ISSN: 1005-8141

Source: 资源开发与市场, Vol.33, Iss.8, 2017-01, pp. : 991-995

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Abstract