ET. AL., N. M. A. R. . Systems thinking skills included in the mathematics textbook for the third intermediate grade. Turkish Journal of Computer and Mathematics Education (TURCOMAT), [S. l.], v. 12, n. 13, p. 1545–1557, 2021. DOI: 10.17762/turcomat.v12i13.8783. Disponível em: https://turcomat.org/index.php/turkbilmat/article/view/8783. Acesso em: 28 feb. 2024.