JUMRAH, J.; ANGGRIANI, S. Peningkatan Aktivitas dan Hasil Belajar Matematika melalui Penerapan Metode Problem Solving. Al-Irsyad Journal of Mathematics Education, [S. l.], v. 1, n. 1, p. 39–50, 2022. DOI: 10.58917/ijme.v1i1.15. Disponível em: http://ejurnal.stkipddipinrang.ac.id/index.php/wjme/article/view/15. Acesso em: 22 agu. 2025.