Yu, Hongyan, Jiacheng Yang, and Tianlan Zhou. “The Optimization of the Pay-Per-Use Model for the Healthcare Supply Chain”. Journal of Global Economy, Business and Finance 6, no. 8 (August 29, 2024): 70–74. Accessed September 20, 2024. https://bryanhousepub.com/index.php/jgebf/article/view/506.