Masridah M. Penerapan Model Pembelajaran Problem Based Learning pada Pembelajaran Matematika Materi Lingkaran di Kelas 6. Journal of Education Transportation and Business [Internet]. 2024 Nov. 30 [cited 2026 Jun. 14];1(2):872-8. Available from: https://rayyanjurnal.com/index.php/jetbus/article/view/4406