Public Procurement Reffering to Polish Code of Obligations in Time between 1933 to 1950. Miscellanea Historico-Iuridica, [S. l.], v. 14, n. 1, p. 287–296, 2016. Disponível em: https://miscellanea.uwb.edu.pl/article/view/186. Acesso em: 9 aug. 2025.