WIDYASTUTI, Riski Tri; AIRLANDA, Gamaliel Septian. Efektivitas Model Problem Based Learning terhadap Kemampuan Pemecahan Masalah Matematika Siswa Sekolah Dasar. Jurnal Basicedu, [S. l.], v. 5, n. 3, p. 1120–1129, 2021. DOI: 10.31004/basicedu.v5i3.896. Disponível em: https://jbasic.org/index.php/basicedu/article/view/896. Acesso em: 22 jul. 2024.