AYUSTIN, F. D.; ARIFIN, Z.; ASMANA, A. T. Problem-based learning with scaffolding and equation board media for facilitating junior high school students’ mathematical modelling ability . Jurnal Pendidikan Matematika (JPM), [S. l.], v. 12, n. 2, p. 148–164, 2026. DOI: 10.33474/jpm.v12i2.25814. Disponível em: https://riset.unisma.ac.id/index.php/jpm/article/view/25814. Acesso em: 8 sep. 2026.