ERDEN OZCAN, S.; BAL, A. P. An analysis of the changes in geometric transformations in early childhood period. Cypriot Journal of Educational Sciences, [S. l.], v. 14, n. 4, p. 545–553, 2019. DOI: 10.18844/cjes.v11i4.4102. Disponível em: https://un-pub.eu/ojs/index.php/cjes/article/view/4102. Acesso em: 29 mar. 2024.