ISTIKOMAH, Juwita Nur. Upaya Meningkatkan Hasil Belajar Matematika Materi Penjumlahan Pecahan Menggunakan Model Problem Based Learning (PBL) SD Negeri Gandekan Surakarta. Jurnal Pendidikan Tambusai, [S. l.], v. 5, n. 3, p. 9356–9363, 2021. DOI: 10.31004/jptam.v5i3.2478. Disponível em: https://jptam.org/index.php/jptam/article/view/2478. Acesso em: 16 nov. 2024.