The Principle of Conditionality and the protection of social rights within the EU Legal System. Philosophical foundations of a constitutional metamorphosis. UNIVERSITAS. Revista de Filosofía, Derecho y Política, [S. l.], n. 33, p. 149–163, 2020. DOI: 10.20318/universitas.2020.5524. Disponível em: https://e-revistas.uc3m.es/index.php/UNIV/article/view/5524. Acesso em: 28 jan. 2026.