Hohenwarter, M., Kovács, Z. und Recio, T. (2017) „Deciding Geometric Properties Symbolically in GeoGebra: TSG 18: Reasoning and proof in mathematics education“, R&E-SOURCE. Verfügbar unter: https://journal.ph-noe.ac.at/index.php/resource/article/view/411 (Zugegriffen: 28 April 2024).