Wulandari, Muhairina Sri, and Wildan Hakim. “Pemahaman Konsep Matematis Siswa Kelas IX Pada Materi Bangun Ruang Sisi Datar”. Empiricism Journal 7, no. 3 (August 26, 2026): 2708–2724. Accessed September 9, 2026. https://journal-center.litpam.com/index.php/empiricism/article/view/6205.