NICCHIOTTI, Bianca; SPAGNOLO, Camilla. Perceived difficulty of a mathematical task: Do teachers and students have a common view?. LUMAT-B: International Journal on Math, Science and Technology Education, [S. l.], v. 9, n. 2, p. 11, 2024. Disponível em: https://journals.helsinki.fi/lumatb/article/view/2483. Acesso em: 21 marras. 2024.