“Judgement of the Supreme Court on the waiver of the right to a contributory retirement pension: STS 320/2023 of 26 April 2023” (2024) Revista de Derecho de la Seguridad Social, Laborum, (39), pp. 137–144. Available at: https://revista.laborum.es/index.php/revsegsoc/article/view/976 (Accessed: 6 November 2026).