Digital certification in the Brazilian e-government . Journal of Information Systems and Technology Management, [S. l.], v. 8, n. 2, p. 331–346, 2011. DOI: 10.4301/S1807-17752011000200004. Disponível em: https://www.revistas.usp.br/jistem/article/view/12883.. Acesso em: 2 may. 2024.