Vila Tierno F. An employee’s informal expression of dissent as a protected act. The scope of Protection Against Retaliation: Commentary on Supreme Court Ruling 562/2026 of 23 June. RTSS [Internet]. 2026 Nov. 6 [cited 2026 Nov. 9];(495):160-8. Available from: https://revistas.cef.udima.es/index.php/rtss/article/view/25441