Sema İPEK, Oylum AKKUŞ İSPİR. “Preservice Elementary Mathematics Teachers’ Geometric and Algebraic Proof Process With Dynamic Geometry Software”. Turkish Journal of Computer and Mathematics Education (TURCOMAT), vol. 2, no. 1, Nov. 2013, pp. 20-34, https://turcomat.org/index.php/turkbilmat/article/view/22.