RAY, Andrew. Reflections on the state of developing virtual environments. International Journal of Virtual Reality, [S. l.], v. 15, n. 2, p. 18–29, 2016. DOI: 10.20870/IJVR.2016.15.2.2871. Disponível em: https://ijvr.eu/article/view/2871. Acesso em: 7 dec. 2025.