GRABAN, M. The labor issue in the USA in the first half of the 20th century. The contribution of the Catholic Church to its solution. Annales. Etyka w Życiu Gospodarczym, [S. l.], v. 20, n. 7, p. 131–148, 2019. DOI: 10.18778/1899-2226.20.7.10. Disponível em: https://czasopisma.uni.lodz.pl/annales/article/view/4295. Acesso em: 19 kwi. 2024.