RICCI BITTI, P. E.; BONFIGLIOLI, L.; MELANI, P.; CATERINA, R.; GAROTTI, P. Expression and communication of doubt/uncertainty through facial expression. Ricerche di Pedagogia e Didattica. Journal of Theories and Research in Education, [S. l.], v. 9, n. 1, p. 159–177, 2014. DOI: 10.6092/issn.1970-2221/4296. Disponível em: https://rpd.unibo.it/article/view/4296. Acesso em: 4 may. 2024.