ZHU, Xiaofeng; SHANG, Liang; DU, Shengchao. The Impact of Physical Education Teachers’ Digital Teaching Competencies, Empowered by Smart Education, on Student Participation in Physical Activity: A Time Series Analysis. International Journal of Computer Information Systems and Industrial Management Applications, [S. l.], v. 18, p. 15, 2026. DOI: 10.70917/ijcisim-2026-1003. Disponível em: https://cspub-ijcisim.org/index.php/ijcisim/article/view/1836. Acesso em: 15 may. 2026.