Penerapan Model Pembelajaran Problem Based Learning Dalam Meningkatkan Hasil Belajar Siswa Kelas IX.1 Materi Memahami ArtiSurat Al-Hujurat Ayat 13 di SMP IT Nurul Ishlah Banda Aceh. Validitas [Internet]. 2025 Jun. 30 [cited 2025 Dec. 11];1(2):99-108. Available from: https://journal.maysapublishing.com/index.php/Validitas/article/view/238