DOEL, Mark. Difficult behaviour in groups. Groupwork, [S. l.], v. 14, n. 1, p. 80–100, 2013. DOI: 10.1921/gpwk.v14i1.559. Disponível em: https://journals.whitingbirch.net/index.php/GPWK/article/view/559. Acesso em: 25 mar. 2026.