DROBOT, Igor. Sustainability of professional development officers. Gosudarstvennaya Sluzhba, [S. l.], v. 13, n. 5, p. 23–26, 2011. Disponível em: https://gosudarstvennaya-sluzhba.owebs.ru/article/view/21373. Acesso em: 9 nov. 2026.