CHIRKUNOV, Oleg. Open Codes for Regional Management. Gosudarstvennaya Sluzhba, [S. l.], v. 13, n. 3, p. 40–46, 2011. Disponível em: https://gosudarstvennaya-sluzhba.owebs.ru/article/view/21303. Acesso em: 9 nov. 2026.