Núñez, A., F. X. Ponseti, A. Sesé, and A. Garcia-Mas. “Anxiety and Perceived Performance in Athletes and Musicians: Revisiting Martens”. Revista De Psicología Del Deporte (Journal of Sport Psychology), vol. 29, no. 1, Sept. 2020, pp. 21–28, https://rpd-online.com/index.php/rpd/article/view/38.