WITTMANN, Erich Christian. Strukturgenetische didaktische Analysen – empirische Forschung „erster Art“. mathematica didactica , [S. l.], v. 38, n. 2 a, p. 239–255, 2021. DOI: 10.18716/ojs/md/2015.1207. Disponível em: https://journals.ub.uni-koeln.de/index.php/mathematica_didactica/article/view/1207. Acesso em: 21 nov. 2024.