Kodongan, Gidieon, Vivian Regar, and James Mangobi. “ANALISIS KEMAMPUAN PEMAHAMAN KONSEP MATEMATIKA SISWA KELAS VIII DALAM MATERI SEGITIGA”. SOSCIED 8, no. 1 (May 6, 2025): 67-72. Accessed July 9, 2025. https://ejurnal.poltekstpaul.ac.id/index.php/jsoscied/article/view/910.