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Karima AI, Hardini ATA. Meningkatkan Keaktifan dan Hasil Belajar Matematika Menggunakan Model Problem Based Learning di Kelas II SD. jptam [Internet]. 2024 Mar. 1 [cited 2025 Feb. 5];8(1):10674-83. Available from: http://jptam.org/index.php/jptam/article/view/13981