R. D. Sundari, L. M. Angraini, S. Herlina, and 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)”, JRSME, vol. 2, no. 1, pp. 25–35, Apr. 2023.