Usman L. MENINGKATKAN HASIL BELAJAR PESERTA DIDIK PADA MATERI MASA KEEMASAN ISLAM ERA DAULAH ABBASIYAH MELALUI MODEL PEMBELAJARAN PROBLEM BASED LEARNING. Al-Minhaj : Jurnal Pendidikan Islam [Internet]. 2024 Dec. 1 [cited 2025 Oct. 14];7(1):132-41. Available from: https://journal.iaingorontalo.ac.id/index.php/alminhaj/article/view/6180