LEWIS, C. ‘What works’ in groupwork? Towards an ethical framework for measuring effectiveness. Groupwork, [S. l.], v. 16, n. 3, p. 71-89, 2012. DOI: 10.1921/gpwk.v16i3.606. Disponível em: https://journals.whitingbirch.net/index.php/GPWK/article/view/606. Acesso em: 18 may. 2024.