京津冀地区环境效率及其影响因素分析

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1671-4407|31|8|142-146

ISSN: 1671-4407

Source: 生态经济, Vol.31, Iss.8, 2015-01, pp. : 142-146

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Abstract