Sumartini T. UPAYA MENINGKATKAN HASIL BELAJAR SISWA MATA PELAJARAN AKIDAH AKHLAK MTs MELALUI MODEL PROBLEM BASED LEARNING. INTEL [Internet]. 2022 Nov. 22 [cited 2025 Sep. 26];1(1):25-34. Available from: https://journals.eduped.org/index.php/intel/article/view/66