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FARIDA K. PENERAPAN PROBLEM BASED LEARNING DALAM MENINGKATKAN HASIL BELAJAR PENDIDIKAN AGAMA ISLAM DI SMP NEGERI 5 PONOROGO. EDUCATOR [Internet]. 2021Dec.30 [cited 2026Jan.26];1(2):239-47. Available from: https://www.jurnalp4i.com/index.php/educator/article/view/817