Analisis Tahap Berpikir Geometri Siswa SMA Menurut Tahap Berpikir Van Hiele. j.ilm.soulmath [Internet]. 2023 Nov. 7 [cited 2026 Jun. 16];11(2):113-26. Available from: https://ejournal.unitomo.ac.id/index.php/mipa/article/view/6424