GAJDEK, Seweryn; KOZAK, Sylwester. Bitcoin as an Electronic Payment Tool . Management and Administration Journal, [S. l.], v. 47, n. 120, p. 33–39, 2019. DOI: 10.34739/zn.2019.47.04. Disponível em: https://czasopisma.uph.edu.pl/znadministracja/article/view/781. Acesso em: 22 dec. 2024.