Pendekatan problem solving pada pembelajaran matematika. Jurnal Mercumatika : Jurnal Penelitian Matematika dan Pendidikan Matematika, [S. l.], v. 3, n. 1, p. 63–70, 2018. DOI: 10.26486/jm.v3i1.651. Disponível em: https://ejurnal.mercubuana-yogya.ac.id/index.php/mercumatika/article/view/651. Acesso em: 30 jun. 2026.