The Effect of the Perkins &Blythe Model on The Systematic Thinking Skills of Second-Intermediate Students in Mathematics. Turkish Journal of Computer and Mathematics Education (TURCOMAT), [S. l.], v. 12, n. 14, p. 3417–3425, 2021. DOI: 10.17762/turcomat.v12i14.10937. Disponível em: https://turcomat.org/index.php/turkbilmat/article/view/10937. Acesso em: 28 may. 2026.