Aytaç Kurtuluş, İnci Ünlüer,. “Investigation of Conceptual and Operational Understanding Processes of Eighth Grade Students to Identities and Factorization”. Turkish Journal of Computer and Mathematics Education (TURCOMAT) 12, no. 1 (February 5, 2021): 22–70. Accessed February 23, 2024. https://turcomat.org/index.php/turkbilmat/article/view/269.