Fatih Karakuş, Murat Peker (2015) “ The Effects of Dynamic Geometry Software and Physical Manipulatives on Pre-Service Primary Teachers’ Van Hiele Levels and Spatial Abilities ”, Turkish Journal of Computer and Mathematics Education (TURCOMAT), 6(3), pp. 338–365. Available at: https://turcomat.org/index.php/turkbilmat/article/view/92 (Accessed: 22November2024).