DE MUL, Jos. Uncle Sim Wants You! Playful Warfare. Into the Magic Circle: Rethinking Homo Ludens, [S. l.], v. 1, n. 1, 2024. DOI: 10.71265/k9jmsy45. Disponível em: https://intothemagiccircle.org/article/view/18866.. Acesso em: 25 sep. 2025.