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刘诚,徐紫嫣

The Deepening,Differentiation and Fragmentation of the Digital Industrial Chain Exacerbated by the COVID-19 Epidemic

LIU Cheng,XU Ziyan

河北大学学报(哲学社会科学版) . 2021, (2): 48 -56 . DOI: 10.3969/j.issn.1005-6378.2021.02.007