Walczak, Paweł. “Analysis of the State of Research on the Effectiveness of the Philosophical Inquiry Method”. Przegląd Badań Edukacyjnych (Educational Studies Review) 1, no. 32 (June 25, 2021): 215–228. Accessed April 19, 2024. https://apcz.umk.pl/PBE/article/view/PBE.2021.013.