ANUFRIEV, Sergey. Public contracts: ways to increase efficiency. Gosudarstvennaya Sluzhba, [S. l.], v. 11, n. 4, p. 116–117, 2009. Disponível em: https://gosudarstvennaya-sluzhba.owebs.ru/article/view/20904. Acesso em: 8 nov. 2026.