Bobkina, Jelena, et al. “Why Am I Learning English? Spanish EFL Sports Science University Students´ Motivational Orientations through the Prism of the L2 Motivational Self System”. Studies in Second Language Learning and Teaching, vol. 11, no. 4, Dec. 2021, pp. 543-78, doi:10.14746/ssllt.2021.11.4.4.