Sevil Serrano, J., Abarca-Sos, A., Julián Clemente, J. A., Murillo Pardo, B., & García-González, L. (2016). Optimization of motivational variables in expressive activities in Physical Education. SPORT TK-EuroAmerican Journal of Sport Sciences, 5(2), 103–112. Retrieved from https://revistas.um.es/sportk/article/view/264741