我国煤炭行业研发投入与企业绩效相关性研究
Publisher: 国家哲学社会科学学术期刊数据库
E-ISSN: 1002-5812|volume|9|78-80
ISSN: 1002-5812
Source: 商业会计, Vol.volume, Iss.9, 2016-01, pp. : 78-80
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Abstract