LEŹNICKI, Marcin; BARCIKOWSKA, Malina. On the Issue of Opposition: Introduction to the Subject – Typology of Definition – Range of Influence. Paedagogia Christiana, [S. l.], v. 34, n. 2, p. 43–62, 2015. DOI: 10.12775/PCh.2014.022. Disponível em: https://apcz.umk.pl/PCh/article/view/PCh.2014.022. Acesso em: 18 apr. 2026.