DZIEKOŃSKI, Stanisław. The Importance of Catechesis in Environmental Education. Paedagogia Christiana, [S. l.], v. 28, n. 2, p. 179–193, 2011. DOI: 10.12775/PCh.2011.011. Disponível em: https://apcz.umk.pl/PCh/article/view/PCh.2011.011. Acesso em: 23 dec. 2025.