KRÖN, B. Was ist sinnvolle Schulmathematik?. R&E-SOURCE, [S. l.], v. 10, n. 2, p. 21–30, 2023. DOI: 10.53349/resource.2023.i2.a1182. Disponível em: https://journal.ph-noe.ac.at/index.php/resource/article/view/1182. Acesso em: 28 märz. 2024.