PÉREZ-GARCÍA, A. M.; BERMÚDEZ, J.; SANJUÁN, P.; RUEDA, B.; SÁNCHEZ-ELVIRA-PANIAGUA, Ángeles. Perceived competence and level of task difficulty: Performance and heart rate reactivity. Acción Psicológica, [S. l.], v. 1, n. 1, p. 31–44, 2012. DOI: 10.5944/ap.1.1.540. Disponível em: https://revistas.uned.es/index.php/accionpsicologica/article/view/540. Acesso em: 2 jun. 2023.