基于DEA方法的中国能源工业技术创新效率研究

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 2095-462x|volume|2|49-52

ISSN: 2095-462x

Source: 河北北方学院学报:社会科学版, Vol.volume, Iss.2, 2015-01, pp. : 49-52

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Abstract