山西省能源产业的金融支持效率研究——基于DEA模型

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1004-5937|volume|8|14-17

ISSN: 1004-5937

Source: 会计之友, Vol.volume, Iss.8, 2016-01, pp. : 14-17

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Abstract