Svitek S, Szitányi J, Ambrus G. Solution of an open reality based word-problem in two secondary schools. Teach. Math. Comp. Sci. [Internet]. 2021 Mar. 18 [cited 2024 Jul. 4];18(2):143-56. Available from: https://ojs.lib.unideb.hu/tmcs/article/view/10969