ŁUKASZEWSKA, Katarzyna. Ascetic Attitude and Ecological Thinking. Paedagogia Christiana, [S. l.], v. 28, n. 2, p. 232–239, 2011. DOI: 10.12775/PCh.2011.014. Disponível em: https://apcz.umk.pl/PCh/article/view/PCh.2011.014. Acesso em: 4 jul. 2025.