Development Of HOTS-Based Problems Instruments On Class 9 Curved Side Spaces Construction Materials . Jurnal Mercumatika : Jurnal Penelitian Matematika dan Pendidikan Matematika, [S. l.], v. 7, n. 2, 2023. DOI: 10.26486/jm.v7i2.3288. Disponível em: https://ejurnal.mercubuana-yogya.ac.id/index.php/mercumatika/article/view/3288. Acesso em: 30 jun. 2026.