Jackowska-Boryc, Eliza, and Anna Pyzara. “Comparison of the Importance of Feedback in Mathematics Lessons in on-Line and Stationary Learning”. Annales Universitatis Paedagogicae Cracoviensis | Studia ad Didacticam Mathematicae Pertinentia 14 (December 31, 2022): 121–138. Accessed November 21, 2024. https://didacticammath.uken.krakow.pl/article/view/9589.