., M. Peningkatan Kemampuan Pemahaman Matematis Siswa Sekolah Menengah Pertama Melalui Problem Based Learning (PBL) Dan Direct Instruction (DI). Pasundan Journal of Mathematics Education : Jurnal Pendidikan Matematika, [S. l.], v. 5, n. 1, 2020. DOI: 10.23969/pjme.v5i1.2516. Disponível em: https://journal.unpas.ac.id/index.php/pjme/article/view/2516. Acesso em: 22 jul. 2024.