KUZMENKO, Y. SOCIO-CULTURAL PHENOMENON OF ESPERANTO MOVEMENT: TO THE HISTORY OF THE ISSUE. Social work and education, [S. l.], v. 3, n. 1, p. 14–20, 2019. Disponível em: https://journals.uran.ua/swe/article/view/183096. Acesso em: 20 dec. 2024.