ZÜLFIYE ZEYBEK; ASLIHAN ÜSTÜN; AHMET BIROL. The Place of Mathematical Proofs in the Middle Grade Mathematics Textbooks. Elementary Education Online, [S. l.], v. 17, n. 3, p. 1317–1335, 2023. Disponível em: https://ilkogretim-online.org./index.php/pub/article/view/748. Acesso em: 29 sep. 2024.