PÓŁTURZYCKI, Józef. Zofia Żukowska (1932–2013). Rocznik Andragogiczny, [S. l.], v. 21, p. 541–544, 2015. DOI: 10.12775/6847. Disponível em: https://apcz.umk.pl/RA/article/view/6847. Acesso em: 12 luty. 2025.