基于时变参数模型的中国研发投入回报率估算
Publisher: 国家哲学社会科学学术期刊数据库
E-ISSN: 1002-6487|volume|1|98-101
ISSN: 1002-6487
Source: 统计与决策, Vol.volume, Iss.1, 2017-01, pp. : 98-101
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Abstract