Xu, Chengwei, Xiaofeng Lv, and Zhongyi Li. “Research on the Optimization of Physical Education Curriculum in Chinese Elementary and Middle Schools from the Perspective of Healthy China”. Lifelong Education 9, no. 6 (September 28, 2020): 228-236. Accessed December 30, 2024. https://ojs.piscomed.com/index.php/LE/article/view/1348.