AKHYAR, M.; FADLA YOGA, T. M.; SUKMAWATI, E. Blockchain-based Ubiquitous Learning Method towards Higher Education security. Blockchain Frontier Technology, [S. l.], v. 1, n. 2, p. 44–54, 2022. DOI: 10.34306/bfront.v1i2.53. Disponível em: https://journal.pandawan.id/b-front/article/view/53. Acesso em: 17 nov. 2025.