Aries A. Pengaruh Model Pembelajaran Problem Based Learning (PBL) Terhadap Hasil Belajar Matematika Pada Siswa Kelas VII Di SMP Sultan Agung Surabaya. POSTULAT [Internet]. 2022 Jul. 26 [cited 2025 Jul. 16];3(1):1-13. Available from: https://journal.umg.ac.id/index.php/postulat/article/view/4312