The implementation of indonesia realistic mathematics learning approach (irml) to increase learning acchievement in the discussion painting and Corner splitting subject On the students grade viie smp negeri I seyegan. Jurnal Mercumatika : Jurnal Penelitian Matematika dan Pendidikan Matematika, [S. l.], v. 1, n. 2, p. 104–112, 2017. DOI: 10.26486/mercumatika.v1i2.207. Disponível em: https://ejurnal.mercubuana-yogya.ac.id/index.php/mercumatika/article/view/207. Acesso em: 28 jun. 2026.