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PENERAPAN MODEL PROBLEM BASED LEARNING PBL UNTUK MENINGKATKAN HASIL BELAJAR IPA KELAS IV SD GP TOKIN. DJPD [Internet]. 2023 Nov. 30 [cited 2025 Dec. 18];1(2):63 73. Available from: https://ejurnal.unima.ac.id/index.php/diksar/article/view/8036