AApplied Geography12/3/2025Variety of external knowledge and industrial upgrading: Evidence from Chinese semiconductor industryShengjun Zhu·W. Li·Wenwan Jin·Xudong ZhangRead at Applied GeographyTagsGlobal trade, sustainability, and social impactStrategy and ManagementUpstream (networking)Semiconductor industryDownstream (manufacturing)Intersection (aeronautics)Variety (cybernetics)Product (mathematics)Value (mathematics)