Zhao, Luyao, and Qiuying Wu. “Research on R&D Investment, Patent Output and Enterprise Performance: Empirical Evidence from Listed Chinese Medicine Companies”. International Journal of Global Economics and Management 2, no. 1 (January 28, 2024): 182–189. Accessed June 12, 2026. https://metadata.wepub.org/index.php/IJGEM/article/view/604.