Wasilah Hawari, Nur. “Upaya Mengembangkan Kemampuan Spasial Siswa Kelas Ix Smp Al-Washliyah 34 Bandar Tinggi Melalui Teori Belajar Van Hiele”. Journal of Comprehensive Science (JCS) 1, no. 4 (November 22, 2022): 810–817. Accessed December 22, 2024. https://jcs.greenpublisher.id/index.php/jcs/article/view/111.