“Social Security from the Perspective of Economics and the History of Political and Social Ideas: Juan Velarde Fuertes (1927–2023)”. Revista de Derecho de la Seguridad Social, Laborum, no. 45 (December 22, 2025): 351–376. Accessed November 6, 2026. https://revista.laborum.es/index.php/revsegsoc/article/view/1216.