MASRIDAH, Masridah. Penerapan Model Pembelajaran Problem Based Learning pada Pembelajaran Matematika Materi Lingkaran di Kelas 6. Journal of Education Transportation and Business, [S. l.], v. 1, n. 2, p. 872–878, 2024. DOI: 10.57235/jetbus.v1i2.4406. Disponível em: https://www.rayyanjurnal.com/index.php/jetbus/article/view/4406. Acesso em: 17 jun. 2026.