Sabrun. UPAYA MENINGKATKAN PEMAHAMAN KONSEP MATEMATIKA SISWA MELALUI PENERAPAN CORE DI SMAN 2 LABUAPI . jtm [Internet]. 2024Oct.23 [cited 2025Jul.27];5(8):446-51. Available from: https://ojs.cahayamandalika.com/index.php/jtm/article/view/3800