STAHL, G. SUSTAINING GROUP COGNITION IN A MATH CHAT ENVIRONMENT. Research and Practice in Technology Enhanced Learning, [S. l.], v. 1, n. 2, p. 85–113, 2006. Disponível em: https://rptel.apsce.net/index.php/RPTEL/article/view/2006-01005. Acesso em: 22 nov. 2024.