PIROZHENKO, Olga. History of dialogue. Gosudarstvennaya Sluzhba, [S. l.], v. 19, n. 1, p. 21–24, 2017. Disponível em: https://gosudarstvennaya-sluzhba.owebs.ru/article/view/22376. Acesso em: 8 nov. 2026.