德国生态环境保护的观察与思考
Publisher: 国家哲学社会科学学术期刊数据库
E-ISSN: 1003-8256|35|2|55-59
ISSN: 1003-8256
Source: 科学与管理, Vol.35, Iss.2, 2015-01, pp. : 55-59
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Abstract