HIDAYAT, D. D.; PUNDING, W.; ., S. Study of Students’ Mathematical Problem Solving Ability on the Material of Straight Line Equation in Class VIII SMP Negeri 6 Palangka Raya. Jurnal Pendidikan, [S. l.], v. 23, n. 1, p. 48–58, 2022. DOI: 10.52850/jpn.v23i1.4878. Disponível em: https://e-journal.upr.ac.id/index.php/JPN/article/view/4878. Acesso em: 22 jul. 2024.