1.
Hadi Suyitno. Penerapan Model Belajar Problem Based Learning (PBL) untuk Meningkatkan Hasil Belajar pada Siswa Sekolah Dasar. education [Internet]. 2024Aug.5 [cited 2025Aug.30];1(2):105-12. Available from: https://stitmuhbangil.ac.id/journal/index.php/education/article/view/681