Jendza, J. i Grzanka, J. 2020. Freinet and Montessori in practice. A comparative analysis of the meanings attributed to the process of learning by early education teachers – research report. Problemy Wczesnej Edukacji. 51, 4 (grudz. 2020), 167–179. DOI:https://doi.org/10.26881/pwe.2020.51.13.