NURMALITASARI, D. A.; NUGRAHA, A. S. 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, [S. l.], v. 5, n. 1, p. 151–162, 2026. DOI: 10.56916/jp.v5i1.3063. Disponível em: https://ejournal.papanda.org/index.php/jp/article/view/3063. Acesso em: 21 jan. 2026.