HATISARU, V. How to develop a structural conception of algebra of school students. LUMAT-B: International Journal on Math, Science and Technology Education, [S. l.], v. 7, n. 1, p. 56–66, 2022. Disponível em: https://journals.helsinki.fi/lumatb/article/view/1834. Acesso em: 23 huhti. 2024.