ET. AL., J. G. D. Cognitive Skills Achievement in Mathematics of the Elementary Pre-Service Teachers Using Piaget’s Seven Logical Operations. Turkish Journal of Computer and Mathematics Education (TURCOMAT), [S. l.], v. 12, n. 4, p. 435–440, 2021. Disponível em: https://turcomat.org/index.php/turkbilmat/article/view/524. Acesso em: 6 may. 2024.