中国出口企业专利生产技术效率研究——来自上市公司的经验证据
Publisher: 国家哲学社会科学学术期刊数据库
E-ISSN: 1002-1566|34|2|207-216
ISSN: 1002-1566
Source: 数理统计与管理, Vol.34, Iss.2, 2015-01, pp. : 207-216
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Abstract