J. Andrey-Bernate, I. Fonseca-Franco, K. Gaviria-Ramírez, W. Pulido-Cabrera, I. Sánchez-Alvis, and A. Guataquira-Romero, “Psychological well-being in the physical education class in schoolchildren”, CyD, vol. 5, no. 2, pp. 12 - 31, Apr. 2020.