Pla Pla, P., Ballesté Escorihuela, M. and Solé Llussà, A. (2022) “How do the hours of weekly physical activity influence on cardiorespiratory fitness?: a video- guided scientific inquiry in primary education: (Video as a support for the inquiry process in physical education classrooms)”, Retos, 45, pp. 113–123. doi: 10.47197/retos.v45i0.90667.