当前煤炭经济形势判断及煤炭企业的应对方略
宋 河,李朝林,蒋秋云
Judgement on Present Coal Economic Situation and Countermeasures of Coal Enterprises
SONG He,LI Chaolin,JIANG Qiuyun
煤炭经济研究 . 2013, (11): 38 -41 .  DOI: A