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Kristiawan R, Purbosari PM, Sularmi. Peningkatan Berpikir Kritis dan Hasil Belajar IPA Melalui Model Problem Based Learning. ed [Internet]. 2021Jul.25 [cited 2024Jul.6];4(3):57-4. Available from: http://pub.mykreatif.com/index.php/educatif/article/view/115