PAMUNGKAS, D.; MAWARDI, M.; ASTUTI, S. Peningkatan Keterampilan Berpikir Kritis dan Hasil Belajar Matematika Pada Siswa Kelas 4 Melalui Penerapan Model Problem Based Learning. Jurnal Ilmiah Sekolah Dasar, [S. l.], v. 3, n. 2, p. 212–219, 2019. DOI: 10.23887/jisd.v3i2.17774. Disponível em: https://ejournal.undiksha.ac.id/index.php/JISD/article/view/17774. Acesso em: 22 dec. 2024.