Considerations on the guiding principles of public procurement: changes and continuities between Law No. 2051/2003 and the new Naw No. 7021/2022. Public Procurement Journal, [S. l.], v. 3, p. 57–65, 2024. Disponível em: https://revista.dncp.edu.py/rcp/article/view/123.. Acesso em: 9 nov. 2026.