González-Fernández, F. T., Baena-Morales, S., Ramos-Pérez, D., & Morente-Oria, H. (2020). Motivation and self-efficacy influence in the academic performance of Secondary students-athletes. Journal of Human Sport and Exercise, 15(4proc), S1059-S1070. Retrieved from https://www.jhse.ua.es/article/view/2020-v15-n4-proc-motivation-self-efficacy-academic-performance-s