SARALAR-ARAS, İpek, and B. BİRGİLİ. “An Assessment of Pre-Service Mathematics Teachers’ Techno-Pedagogical Content Knowledge Regarding Geometry”. International Journal of Psychology and Educational Studies, vol. 9, no. 4, Oct. 2022, pp. 1307-2, doi:10.52380/ijpes.2022.9.4.920.