HAATAJA, E.; TOIVANEN, M.; LAINE, A.; HANNULA, M. S. Teacher-student eye contact during scaffolding collaborative mathematical problem-solving. LUMAT: International Journal on Math, Science and Technology Education, [S. l.], v. 7, n. 2, p. 9–26, 2019. DOI: 10.31129/LUMAT.7.2.350. Disponível em: https://journals.helsinki.fi/lumat/article/view/1249. Acesso em: 29 mar. 2024.