H. E. Lees, “Hanging around, pottering about, chilling out: lessons on silence and well-being from Summerhill school”, EIAE.RH, vol. 3, nº 2, p. 192–210, jan. 2017, Acesso em: jul. 08, 2026. Disponível em: https://revistahipotese.editoraiberoamericana.com/revista/article/view/270