Zamarripa, J., Martínez-Hernández , R. . and Núñez Rocha , G. M. . (2025) ’Boredom or Fun? Impact of Perception of Physical Education Class on Leisure-Time Physical Activity in Mexican Children’, Journal on Efficiency and Responsibility in Education and Science, vol. 18, no. 1, pp. 40–47. https://doi.org/10.7160/eriesj.2025.180105