Journal of Beijing University of Posts and Telecommunications(Social Sciences Edition)
How Does Interaction Between Internal and External R&D “Catalyze” Performance Growth of Digital Industry in China？—A Testing Based on Generation Mechanism of Heterogeneity 
JIANG Jianmin
Journal of Beijing University of Posts and Telecommunications(Social Sciences Edition) . 2023, (4): 82 -90 .  DOI: 10.19722/j.cnki.1008-7729.2023.0048

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