QU, L. What Causes Foreign Language Speaking Anxiety?. Science Insights Education Frontiers, [S. l.], v. 17, n. 2, p. 2687–2688, 2023. DOI: 10.15354/sief.23.co105. Disponível em: https://mail.bonoi.org/index.php/sief/article/view/1108. Acesso em: 16 apr. 2026.