环境规制与企业技术创新:一项来自河北省面板数据的实证研究

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1000-2804|44|2|39-45

ISSN: 1000-2804

Source: 兰州大学学报:社会科学版, Vol.44, Iss.2, 2016-01, pp. : 39-45

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Abstract