BISKUPSKI, Jacek. Concern for the Sobriety of Youth in Młody Hufiec in 1927-1939. Biuletyn Historii Wychowania, [S. l.], n. 38, p. 229–240, 2018. DOI: 10.14746/bhw.2018.38.34. Disponível em: https://pressto.amu.edu.pl/index.php/bhw/article/view/20157. Acesso em: 21 maj. 2024.