ESPUELAS, S. The obstacles to the development of social insurance in Spain before 1936: the case of unemployment insurance. Revista de Historia Industrial — Industrial History Review, [S. l.], v. 22, n. 52, p. 78–110, 2018. Disponível em: https://revistes.ub.edu/index.php/HistoriaIndustrial/article/view/20987. Acesso em: 22 jan. 2025.