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Sari Nababan N, Ningsih Sagala P. Penerapan Model Case Based Learning Untuk Meningkatkan Kemampuan Berpikir Kritis Matematis Siswa Kelas VIII Smp Negeri 17 Medan. JCS [Internet]. 2024Jan.11 [cited 2024Oct.18];3(1):56-74. Available from: https://jcs.greenpublisher.id/index.php/jcs/article/view/585