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Nurul Aini, Ansor, Rahmad Hidayat Siregar. EFEKTIVITAS PENINGKATAN HASIL BELAJAR DENGAN PENDEKATAN PROBLEM BASED LEARNING. JSK [Internet]. 2026Jun.17 [cited 2026Jul.3];9(1):79-90. Available from: https://rumahjurnal.iaintakengonaceh.ac.id/index.php/itg/article/view/392