STETTNER, Eleonóra; EMESE, György. The tools for developing a spatial geometric approach. Teaching Mathematics and Computer Science, [S. l.], v. 18, n. 4, p. 207–216, 2020. DOI: 10.5485/TMCS.2020.0498. Disponível em: https://ojs.lib.unideb.hu/tmcs/article/view/11000.. Acesso em: 28 apr. 2024.