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. JM [Internet]. 2025 Apr. 25 [cited 2026 Jun. 30];8(1). Available from: https://ejurnal.mercubuana-yogya.ac.id/index.php/mercumatika/article/view/4270