The triadic relation of game, an interpretation of three human activities. Agora for Physical Education and Sport, [S. l.], v. 20, n. 2-3, p. 298–318, 2018. DOI: 10.24197/aefd.2-3.2018.298-318. Disponível em: https://revistas.uva.es/index.php/agora/article/view/2460. Acesso em: 10 jan. 2026.