Science of Science and Management of S. & T. ›› 2021, Vol. 42 ›› Issue (12): 35-48.

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Collaborative Innovation Relationship in the Beijing-Tianjin-Hebei Region: Inter-Subject Collaboration and Spatial Correlation

  

  1. (School of Economics and Management, Weifang University, Weifang 261061, China)
  • Online:2021-12-10 Published:2022-03-17