HAYATI, Maul; NURMAWANTI, Iva; MAKKI, Muhammad. Model Problem Based Learning Dalam Meningkatkan Kemampuan Berhitung Perkalian dan Pembagian Siswa Sekolah Dasar. Jurnal Educatio FKIP UNMA, [S. l.], v. 9, n. 4, p. 2036–2042, 2023. DOI: 10.31949/educatio.v9i4.5795. Disponível em: https://ejournal.unma.ac.id/index.php/educatio/article/view/5795. Acesso em: 28 apr. 2025.