企业研发投入与产品市场竞争的关系研究
Publisher: 国家哲学社会科学学术期刊数据库
E-ISSN: 1008-1283|volume|25|69-71
ISSN: 1008-1283
Source: 中国集体经济, Vol.volume, Iss.25, 2016-01, pp. : 69-71
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Abstract