ORMS
Study on the Relationship Between Regional Openness and EnterprisesTechnological Innovation Capabilities Based on the Directed Acyclic Graph
LI Miao-miao, XIAO Hong-jun, LI Hai-bo
Operations Research and Management Science . 2016, (6): 266 -273 .  DOI: 10.12005/orms.2016.0229

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