SINDEEVA, Inga. The official contract as a special form of administrative contracts. Gosudarstvennaya Sluzhba, [S. l.], v. 11, n. 2, p. 110–112, 2009. Disponível em: https://gosudarstvennaya-sluzhba.owebs.ru/article/view/20834. Acesso em: 9 nov. 2026.