HANDAYANI, C.; HUDA, U. Peningkatan Kemampuan Literasi Matematis Siswa melalui Problem Based Instruction (PBI). Edusainstika: Jurnal Pembelajaran MIPA, [S. l.], v. 3, n. 2, p. 112–118, 2023. DOI: 10.31958/je.v3i2.10791. Disponível em: https://ejournal.uinmybatusangkar.ac.id/ojs/index.php/Edusainstika/article/view/10791. Acesso em: 20 jan. 2026.