HAUGSBAKKEN, H.; LANGSETH, I. The Blockchain Challenge for Higher Education Institutions. European Journal of Education, [S. l.], v. 2, n. 3, p. 24–29, 2019. DOI: 10.26417/ejed.v2i3.p41-46. Disponível em: https://revistia.org/index.php/ejed/article/view/4503. Acesso em: 23 sep. 2023.