矿业集团外部煤炭经营风险防控的实践与探索

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1002-9605|volume|2|71-74

ISSN: 1002-9605

Source: 煤炭经济研究, Vol.volume, Iss.2, 2016-01, pp. : 71-74

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Abstract