P, C.; D, C. Perceptions of elementary teachers about physical activity breaks in the classroom. International Journal of Physical Education, Fitness and Sports, [S. l.], v. 10, n. 3, p. 46–54, 2021. DOI: 10.34256/ijpefs2136. Disponível em: https://ijpefs.org/index.php/ijpefs/article/view/352. Acesso em: 28 mar. 2024.