Sari IR. Pengaruh Model Pembelajaran Problem Based Learning Terhadap Hasil Belajar Matematika Siswa Kelas VII Smp Mutiara Islami Plus. JCS [Internet]. 2024Aug.26 [cited 2024Dec.22];3(8):4042-8. Available from: https://jcs.greenpublisher.id/index.php/jcs/article/view/809