Investigative classes and construction of concepts of mathematics: a study of Piaget’s theory. Psicologia USP, [S. l.], v. 26, n. 2, p. 240–248, 2015. DOI: 10.1590/0103-656420130025. Disponível em: https://revistas.usp.br/psicousp/article/view/102400.. Acesso em: 1 jun. 2024.