Socio-economic impact of Blockchain utilization on Digital Certificates. APTISI Transactions on Management, [S. l.], v. 5, n. 2, p. 106–111, 2021. DOI: 10.33050/atm.v5i2.1508. Disponível em: https://ijc.ilearning.co/ATM/article/view/1508. Acesso em: 13 sep. 2026.