RUIZ-JUAN, Francisco; ZARAUZ SANCHO, Antonio. Ansiedad en maratonianos en función de variables socio-demográficas (Anxiety in marathoners based on socio-demographic variables). Retos, [S. l.], v. 25, p. 28–31, 2014. DOI: 10.47197/retos.v0i25.34470. Disponível em: http://207.180.252.49/index.php/retos/article/view/34470. Acesso em: 22 sep. 2025.