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. (2025). Jurnal Mercumatika : Jurnal Penelitian Matematika Dan Pendidikan Matematika, 8(1). https://doi.org/10.26486/jm.v8i1.4270