STEFAŃSKA, D. Polish Youth Association in Szadek in 1919-1933. Biuletyn Szadkowski, [S. l.], v. 14, p. 151–172, 2014. DOI: 10.18778/1643-0700.14.10. Disponível em: https://www.czasopisma.uni.lodz.pl/biuletynszadkowski/article/view/13795. Acesso em: 18 may. 2024.