Kónya, E., and Gy. Szanyi. “Report of Meeting Researches in Didactics of Mathematics and Computer Sciences: February 1-3, 2019 Stúrovo, Slovakia”. Teaching Mathematics and Computer Science 17, no. 1 (July 4, 2019): 105–129. Accessed April 28, 2024. https://ojs.lib.unideb.hu/tmcs/article/view/10952.