Noviana, Widyah, Windia Hadi, and Ita Handayani. “THE EFFECTIVENESS OF GEOGEBRA-BASED VAN HIELE MODEL ON MATHEMATICAL DISPOSITION ASSESSED FROM EARLY MATHEMATICS ABILITY”. Kalamatika: Jurnal Pendidikan Matematika 5, no. 2 (November 30, 2020): 167-180. Accessed April 23, 2024. https://kalamatika.matematika-uhamka.com/index.php/kmk/article/view/444.