SITOPU, J. W.; PURBA, I. R.; ASRIYATI, D. Komunikasi Matematis Siswa Melalui Model Problem Based Learning (PBL) . Jurnal Pendidikan Matematika Raflesia, [S. l.], v. 7, n. 2, p. 66–75, 2022. Disponível em: https://ejournal.unib.ac.id/jpmr/article/view/22457. Acesso em: 12 may. 2024.