新常态下煤炭企业营销策略优化研究
Publisher: 国家哲学社会科学学术期刊数据库
E-ISSN: 1002-9605|volume|6|60-63
ISSN: 1002-9605
Source: 煤炭经济研究, Vol.volume, Iss.6, 2016-01, pp. : 60-63
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Abstract