VARELIJA, G.; VARELIJA-GERBER, A.; MUSILEK, M. Schöne Muster: Mathematische Lernumgebungen in der Primarstufe. R&E-SOURCE, [S. l.], 2020. Disponível em: https://journal.ph-noe.ac.at/index.php/resource/article/view/787. Acesso em: 29 apr. 2024.