ALI BOZKURT; ŞERIFE YILMAZ. An examination of the activities in 8 th grade mathematics textbooks based on the levels of cognitive demand. Elementary Education Online, [S. l.], v. 19, n. 1, p. 133–146, 2023. Disponível em: https://ilkogretim-online.org./index.php/pub/article/view/6935. Acesso em: 9 jul. 2024.