KRAJEWSKI, Piotr. The Integrative Role of Religious Instruction in Pro-Ecological Education. Paedagogia Christiana, [S. l.], v. 27, n. 1, p. 135–144, 2011. DOI: 10.12775/PCh.2011.022. Disponível em: https://apcz.umk.pl/PCh/article/view/PCh.2011.022. Acesso em: 15 jan. 2025.