RIFAI, Ahmad. Peningkatan Kemampuan Problem Solving melalui Model Problem Based Learning pada Pembelajaran IPS Sekolah Dasar. J-SES : Journal of Science, Education and Studies, [S. l.], v. 5, n. 2, 2026. DOI: 10.30651/jses.v5i2.32061. Disponível em: https://journal.um-surabaya.ac.id/J-SES/article/view/32061. Acesso em: 4 sep. 2026.