基于DEA模型的轨道交通上市公司投资效率研究
Publisher: 国家哲学社会科学学术期刊数据库
E-ISSN: 1674-117x|21|5|27-33
ISSN: 1674-117x
Source: 湖南工业大学学报:社会科学版, Vol.21, Iss.5, 2016-01, pp. : 27-33
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Abstract