LÉNÁRD, András; SZITÁNYI, Judit. Methodological questions of digital teaching material development made in the subject of mathematics. Teaching Mathematics and Computer Science, [S. l.], v. 16, n. 1, p. 25–41, 2018. DOI: 10.5485/TMCS.2018.0441. Disponível em: https://ojs.lib.unideb.hu/tmcs/article/view/15007. Acesso em: 27 sep. 2024.