“Judgement of the Supreme Court on the Waiver of the Right to a Contributory Retirement Pension: STS 320 2023 of 26 April 2023”. Revista de Derecho de la Seguridad Social, Laborum, no. 39, June 2024, pp. 137-44, https://revista.laborum.es/index.php/revsegsoc/article/view/976.