Piwowar-Sulej, Katarzyna. “The Use of Gamification in Academic Teaching – Evidence from Polish State Universities”. Przegląd Badań Edukacyjnych (Educational Studies Review) 1, no. 32 (June 25, 2021): 75–98. Accessed April 25, 2024. https://apcz.umk.pl/PBE/article/view/PBE.2021.005.