Practical Dilemmas and Optimization Paths of Dynamic Hierarchical Teaching in University Badminton Special Courses：A Case Study of Zhaoqing University. International Journal of Educational Development, [S. l.], v. 2, n. 2, p. 16–28, 2026. DOI: 10.63313/IJED.9040. Disponível em: https://academics.erytis.com/index.php/IJED/article/view/307. Acesso em: 6 mar. 2026.