AGUSTINA, Mauly Dewanty; PUTRI, Agustiany Dumeva; GUSTININGSIH, Tria. Model Pembelajaran Problem Based Learning (PBL) Terhadap Kemampuan Berpikir Kritis Matematika Siswa Kelas IX. Jurnal Pendidikan Matematika RAFA, [S. l.], v. 4, n. 2, p. 164–176, 2018. DOI: 10.19109/jpmrafa.v4i2.3796. Disponível em: https://jurnal.radenfatah.ac.id/index.php/jpmrafa/article/view/3796.. Acesso em: 4 apr. 2025.