KHOO, E.; CHEOK, A. Age Invaders: Inter-generational Mixed Reality Family Game. International Journal of Virtual Reality, [S. l.], v. 5, n. 2, p. 45–50, 2006. DOI: 10.20870/IJVR.2006.5.2.2688. Disponível em: https://ijvr.eu/article/view/2688. Acesso em: 16 aug. 2022.