Mathlien Land: a serious game to practice 7th and 8th grade mathematics. International Journal of Serious Games, [S. l.], v. 13, n. 1, p. 245–259, 2026. DOI: 10.17083/tswhjx45. Disponível em: https://journal.seriousgamessociety.org/~serious/index.php/IJSG/article/view/1095.. Acesso em: 30 jan. 2026.