中小板上市公司研发投入与盈利能力的实证分析
Publisher: 国家哲学社会科学学术期刊数据库
E-ISSN: 2095-9249|32|4|17-21
ISSN: 2095-9249
Source: 萍乡学院学报, Vol.32, Iss.4, 2015-01, pp. : 17-21
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Abstract