Public e-procurement and the duality of technology: a comparative study in the context of Brazil and of the state of Paraíba . Journal of Information Systems and Technology Management, [S. l.], v. 8, n. 2, p. 315–330, 2011. DOI: 10.4301/S1807-17752011000200003. Disponível em: https://revistas.usp.br/jistem/article/view/12882.. Acesso em: 1 may. 2024.