HEAP, Ken. The worker and the group process: A dilemma revisited. Groupwork, [S. l.], v. 1, n. 1, p. 17–29, 2020. DOI: 10.1921/gpwk.v1i1.1052. Disponível em: https://journals.whitingbirch.net/index.php/GPWK/article/view/1052. Acesso em: 25 mar. 2026.