LOYOLA OPIELA, M. Development of the Early Childhood Education Theory and Practice in Poland in the 19th and 20th Centuries. Paedagogia Christiana, [S. l.], v. 34, n. 2, p. 101–120, 2015. DOI: 10.12775/PCh.2014.025. Disponível em: https://apcz.umk.pl/PCh/article/view/PCh.2014.025. Acesso em: 17 jul. 2024.