@misc{Oszwa_Urszula_Report, author={Oszwa, Urszula}, howpublished={online}, publisher={Wydawnictwo Uniwersytetu Marii Curie-Skłodowskiej}, language={eng ; pol}, type={sprawozdanie}, title={Report on the second national problem-methodical conference in the series: “Let Children Think”. Topic: “Logical Thinking in the Service of (not only) Mathematics”, Opole, 22 April 2021}, keywords={sprawozdanie z konferencji}, }