VELI TOPTAS. An Analysis of the Elementary School Mathematics Curriculum and Presentation of Geometry Concepts in Textbooks . Elementary Education Online, [S. l.], v. 9, n. 1, p. 136–149, 2023. Disponível em: https://ilkogretim-online.org/index.php/pub/article/view/703. Acesso em: 22 dec. 2024.