CANDAŞ UYGAN, AYTAÇ KURTULUŞ. Effects of Teaching Activities via Google Sketchup and Concrete Models on Spatial Skills of Preservice Mathematics Teachers. Turkish Journal of Computer and Mathematics Education (TURCOMAT), [S. l.], v. 7, n. 3, p. 510–535, 2016. Disponível em: https://turcomat.org/index.php/turkbilmat/article/view/137. Acesso em: 6 may. 2024.