KAMPMANN WALTHER, B.; LARSEN, L. J. Reflections on Ludification: Approaching a Conceptual Framework – And Discussing Inherent Challenges. International Journal of Serious Games, [S. l.], v. 8, n. 3, p. 115–127, 2021. DOI: 10.17083/ijsg.v8i3.436. Disponível em: https://journal.seriousgamessociety.org/index.php/IJSG/article/view/436. Acesso em: 19 oct. 2021.