Yulistia, Farah, and Nita Hidayati. “Analisis Kemampuan Pemahaman Konsep Matematis Siswa SMP Pada Materi Sistem Persamaan Linier Dua Variabel”. Jurnal Didactical Mathematics 5, no. 2 (October 14, 2023): 525–538. Accessed August 6, 2026. https://www.ejournal.unma.ac.id/index.php/dm/article/view/6807.