Zülfiye Zeybek Şimşek. “Investigating Pre-Service Teachers’ Ability to Recognize and Classify Geometric Concepts Hierarchically”. Turkish Journal of Computer and Mathematics Education (TURCOMAT) 10, no. 3 (December 13, 2019): 680–710. Accessed December 22, 2024. https://turcomat.org/index.php/turkbilmat/article/view/219.