TEFNER, Zoltán. The birthday of Poland: Warsaw, Octóber 11. 1918. . Acta Scientiarum Socialium, [S. l.], n. 48, p. 43–51, 2018. DOI: 10.33566/asc.2753. Disponível em: https://journal.uni-mate.hu/index.php/asc/article/view/2753. Acesso em: 5 dec. 2025.