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Sabrun. Upaya Meningkatkan Pemahaman Konsep Matematika Siswa Melalui Penerapan Core Di SMAN 2 Labuapi. jtm [Internet]. 2024Oct.23 [cited 2026Apr.18];5(8):285-9. Available from: https://www.ojs.cahayamandalika.com/index.php/jtm/article/view/3800