WIDYANAWATI, Silvi; FIRMANSYAH, Dani. Kemampuan Penalaran Matematis Siswa Kelas IX Pada Sistem Persamaan Linear Dua Variabel (SPLDV). Prosiding Sesiomadika, [S. l.], v. 4, n. 1, 2023. Disponível em: https://journal.unsika.ac.id/index.php/sesiomadika/article/view/7659. Acesso em: 5 des. 2025.