SUNDARI, R. D.; ANGRAINI, L. M.; HERLINA, S.; ZETRIUSLITA. Pengembangan Perangkat Pembelajaran Berbasis Problem Based Learning (PBL) pada Materi Matriks untuk Meningkatkan Kemampuan Representasi Matematis Siswa Kelas XI IPA SMAN 1 Bukit Batu: (Development of Problem Based Learning (PBL) Learning Devices on Matrix Material to Improve Mathematical Representation Ability of Grade XI Science Students at SMAN 1 Bukit Batu). Journal of Research in Science and Mathematics Education, [S. l.], v. 2, n. 1, p. 25–35, 2023. DOI: 10.56855/jrsme.v2i1.253. Disponível em: https://journals.eduped.org/index.php/jrsme/article/view/253. Acesso em: 27 jun. 2025.