Garzón Mosquera, J. C., G. A. Araya Vargas, and G. Soto. “Analysis of the Psychometric Properties of Short Flow Scale in University Students from Costa Rica Who Practice Various Physical-Sports Activities”. Educación Física Y Deporte, vol. 39, no. 2, Dec. 2020, pp. 207-2, doi:10.17533/udea.efyd.v39n2a09.