Nurmalitasari, Defri Aulia, and Adhi Surya Nugraha. “Pengaruh Pendekatan Teaching at the Right Level Terhadap Kemampuan Problem Solving Siswa Pada Materi Persamaan Linear Di SMP Negeri 1 Kalasan”. Polinomial : Jurnal Pendidikan Matematika 5, no. 1 (January 3, 2026): 151–162. Accessed January 21, 2026. https://ejournal.papanda.org/index.php/jp/article/view/3063.