Application of Geogebra to Motivation and Understanding of Mathematical Concepts of Students Building Flat Side Space Materials. Zona Education Indonesia, [S. l.], v. 3, n. 2, p. 75–84, 2025. DOI: 10.67959/tas77491. Disponível em: https://zona-education.org/index.php/zei/article/view/75. Acesso em: 10 sep. 2026.