JANUAR SINGGIH ABDULLAH; AGUS JUHANA. The Development and Effectiveness Evaluation of Game Labs in Learning: Content Analysis and the Impact of Gamification. DIAJAR: Jurnal Pendidikan dan Pembelajaran, [S. l.], v. 4, n. 1, p. 85–93, 2025. DOI: 10.54259/diajar.v4i1.3414. Disponível em: https://www.journal.yp3a.org/index.php/diajar/article/view/3414. Acesso em: 5 may. 2026.