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Research on the Universities Scientific Cooperation Network and Evolution: Taking 211 and Co-construction of Provincial and Subordinate universities of Beijing, Tianjin and Hebei region as an Example
LI Feifan
Agricultural Library and Information . 2019, (
8
): 31 -39 . DOI: 10.13998/j.cnki.issn1002-1248.2019.06.18-1858
