Gómez Mármol, Alberto. “What Motives Induce to Choose Physical Education As an Optative Subject at Post-Compulsory Secondary Education 2nd Grade?”. Journal of Human Sport and Exercise 9, no. 1 (June 11, 2014): 103–110. Accessed April 25, 2024. https://www.jhse.ua.es/article/view/2014-v9-n1-what-motives-induce-to-choose-physical-education-as-a.