The Impact of Joyful Learning Model on Motivation and Mathematics Learning Outcomes in Class X SMA Negeri 3 Salatiga. Jurnal Mercumatika : Jurnal Penelitian Matematika dan Pendidikan Matematika, [S. l.], v. 6, n. 1, 2022. DOI: 10.26486/jm.v6i1.1614. Disponível em: https://ejurnal.mercubuana-yogya.ac.id/index.php/mercumatika/article/view/1614. Acesso em: 30 jun. 2026.