Elif Türnüklü, and Ayşe Simge Ergin. “8th Year Students’ Definitions and Figural Recognitions of Solids: Concept Images”. Elementary Education Online 15, no. 1 (December 20, 2023): 40–52. Accessed July 3, 2024. https://ilkogretim-online.org/index.php/pub/article/view/6511.