Prime Example Ingress Reframing the Pervasive Game Design Framework (PGDF). International Journal of Serious Games, [S. l.], v. 4, n. 2, 2017. DOI: 10.17083/ijsg.v4i2.182. Disponível em: https://journal.seriousgamessociety.org/index.php/IJSG/article/view/182.. Acesso em: 17 jul. 2024.