ELBIR, D.; ÖZMEN, Z. M. Investigation of Patterns in Secondary School Mathematics Textbooks in the Context of Transition from Arithmetic to Algebra. Turkish Journal of Mathematics Education, [S. l.], v. 4, n. 2, p. 1–26, 2023. Disponível em: https://tujme.org/index.php/tujme/article/view/80. Acesso em: 21 may. 2024.