Zhu X, Shang L, Du S. The Impact of Physical Education Teachers’ Digital Teaching Competencies, Empowered by Smart Education, on Student Participation in Physical Activity: A Time Series Analysis. IJCISIM [Internet]. 2026 May 15 [cited 2026 May 15];18:15. Available from: https://cspub-ijcisim.org/index.php/ijcisim/article/view/1836