JASTRZĘBOWSKA, Kalina. Opening tasks, opening minds – a rediscovery of the open-ended approach. Problemy Wczesnej Edukacji, [S. l.], v. 52, n. 1, p. 181–195, 2021. DOI: 10.26881/pwe.2021.52.13. Disponível em: https://czasopisma.bg.ug.edu.pl/index.php/pwe/article/view/6229. Acesso em: 24 kwi. 2024.