Naja, F., & Sao, S. (2024). Peningkatan Berpikir Matematis Siswa Sekolah Dasar Melalui Implementasi Model Problem Based Learning. Jurnal Cendekia : Jurnal Pendidikan Matematika, 8(2), 1049-1059. https://doi.org/10.31004/cendekia.v8i2.3124