内生变量分析视角下的煤炭开采和洗选业效益研究——以山西省为例

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1671-1807|16|9|5-8

ISSN: 1671-1807

Source: 科技和产业, Vol.16, Iss.9, 2016-01, pp. : 5-8

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Abstract