WOODS, S. J. (Play) Ground Rules: The Social Contract and the Magic Circle. Observatorio (OBS*), [S. l.], v. 3, n. 1, 2009. DOI: 10.15847/obsOBS312009243. Disponível em: https://obs.obercom.pt/index.php/obs/article/view/243. Acesso em: 7 dec. 2022.