“Universal Basic Income before the Constitutional Court: The Problem of Jurisdictional Delimitation: Regarding Ruling No. 158/2021, of 16 September” (2022) Revista de Derecho de la Seguridad Social, Laborum, (31), pp. 125–143. Available at: https://revista.laborum.es/index.php/revsegsoc/article/view/577 (Accessed: 6 November 2026).