企业所有权性质、环境规制与发明专利的研发效率
Publisher: 国家哲学社会科学学术期刊数据库
E-ISSN: 1001-8409|30|2|55-59
ISSN: 1001-8409
Source: 软科学, Vol.30, Iss.2, 2016-01, pp. : 55-59
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Abstract