KURNIA, Naafi Emma; SWASTIKA, Annisa; LESTARI, Sri. Efforts to improve mathematical communication and collaboration skills through the Problem-Based Learning (PBL) model. Jurnal Pendidikan Matematika RAFA, [S. l.], v. 10, n. 2, p. 112–120, 2024. DOI: 10.19109/jpmrafa.v10i2.22365. Disponível em: https://jurnal.radenfatah.ac.id/index.php/jpmrafa/article/view/22365.. Acesso em: 16 apr. 2025.