FADEN TOPUZ; OSMAN BIRGIN. Developing teaching materials supported with Geogebra for circle and disc subject at seventh grade. Elementary Education Online, [S. l.], v. 19, n. 3, p. 1–17, 2023. Disponível em: https://ilkogretim-online.org./index.php/pub/article/view/7479. Acesso em: 1 jul. 2024.