股权集中度、研发投入与公司绩效研究——基于医药行业上市公司的经验分析Research on the Relationship between Ownership Concentration, R&D Investment and Corporate Performance—Listed Companies Based on Pharmaceutical Industry
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理论数学 Vol.13 No.10, October 13 2023, PDF, HTML, XML DOI:10.12677/PM.2023.1310291 被引量