Sons of the Clouds. The last colony. Journal of Parents and Teachers, [S. l.], n. 366, p. 73–76, 2016. DOI: 10.14422/pym.i366.y2016.011. Disponível em: https://revistas.comillas.edu/padresymaestros/article/view/6803. Acesso em: 5 dec. 2025.