KANDAGA, Thesa; NOVIANTI, Idha; ADNAN, Mazlini. Abstraction level of van Hiele’s theory: Occurrence of side effects in GeoGebra integration. Jurnal Elemen, [S. l.], v. 11, n. 1, p. 15–33, 2025. DOI: 10.29408/jel.v11i1.26938. Disponível em: https://e-journal.hamzanwadi.ac.id/index.php/jel/article/view/26938. Acesso em: 5 mar. 2025.