Ashebir Sidelil, Bereket Telemos, Mekdes Minjar, and Zingiswa Jojo. “Teachers’ Level of Understanding Geometry Concepts Vis-à-Vis Van Hiele’s Geometric Thinking Model”. Journal of Science and Inclusive Development 6, no. 1 (June 1, 2024): 70–84. Accessed April 3, 2025. https://jsid.edu.et/index.php/jsid/article/view/85.