榆林:中国的“煤炭金三角”

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 2095-9923|volume|10|94-95

ISSN: 2095-9923

Source: 新丝路, Vol.volume, Iss.10, 2015-01, pp. : 94-95

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Abstract