Martínez de Ojeda Pérez, D., et al. “Sport Education Model Effects in the Social Climate Classroom, Perceived Competence and Intent to Be Physically Active: An Extended Study in Primary Education”. SPORT TK-EuroAmerican Journal of Sport Sciences, vol. 5, no. 2, July 2016, pp. 153-66, https://revistas.um.es/sportk/article/view/264791.