Development of qr code-assisted learning materials to improve students’ numbers’ abilities on spldv material in class x of ma nurul huda bercak asri cerme bondowoso: pengembangan bahan ajar. Jurnal Mercumatika : Jurnal Penelitian Matematika dan Pendidikan Matematika, [S. l.], v. 8, n. 1, 2025. DOI: 10.26486/jm.v8i1.4270. Disponível em: https://ejurnal.mercubuana-yogya.ac.id/index.php/mercumatika/article/view/4270. Acesso em: 30 jun. 2026.