ARIS TRIWAHYU FEBRIANSAH; YERRY SOEPRIYANTO; MUHIBUDDIN FADHLI. Leaderboard as an Element of Gamification and Student Self-Efficacy for Performance Achievement. Jurnal Ilmiah Pendidikan Profesi Guru, [S. l.], v. 7, n. 3, 2024. Disponível em: https://ejournal.undiksha.ac.id/index.php/JIPPG/article/view/84477. Acesso em: 16 jan. 2025.