MRIZKIDIRMANSYAH; FEBRIANDI, Riduan. Meningkatkan Kemampuan Problem Solving Matematika Siswa Sd Melalui Implementasi Model Problem Based Learning. Jurnal Elementaria Edukasia, [S. l.], v. 6, n. 4, p. 2135–2144, 2023. DOI: 10.31949/jee.v6i4.7591. Disponível em: https://ejournal.unma.ac.id/index.php/jee/article/view/7591. Acesso em: 27 apr. 2025.