Yuliana D, Ratu N. Analisis Keterampilan Dasar Visual Geometri Siswa SMP Ditinjau Berdasarkan Level Berpikir Analisis Van Hiele. cendekia [Internet]. 7Dec.2019 [cited 20Apr.2024];3(2):536-49. Available from: https://j-cup.org/index.php/cendekia/article/view/135