YULISTIA, Farah; HIDAYATI, Nita. Analisis Kemampuan Pemahaman Konsep Matematis Siswa SMP Pada Materi Sistem Persamaan Linier Dua Variabel. Jurnal Didactical Mathematics , [S. l.], v. 5, n. 2, p. 525–538, 2023. DOI: 10.31949/dm.v5i2.6807. Disponível em: https://www.ejournal.unma.ac.id/index.php/dm/article/view/6807. Acesso em: 17 jun. 2026.