SCHUMANN, Heinz. Rekonstruktives Modellieren in Dynamischen Geometriesystemen . mathematica didactica , [S. l.], v. 26, n. 2, p. 21–41, 2003. DOI: 10.18716/ojs/md/2003.1009. Disponível em: https://journals.ub.uni-koeln.de/index.php/mathematica_didactica/article/view/1009. Acesso em: 3 juli. 2024.