合芜蚌试验区提高区域自主创新能力了吗——基于双重差分模型的研究
Publisher: 国家哲学社会科学学术期刊数据库
E-ISSN: 1009-9530|18|5|29-33
ISSN: 1009-9530
Source: 淮南师范学院学报, Vol.18, Iss.5, 2016-01, pp. : 29-33
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