TOMKOVÁ, V. Priestorová predstavivosť žiakov základných škôl v Slovenskej republike. Journal of Education, Technology and Computer Science, [S. l.], v. 9, n. 1, p. 515–521, 2014. Disponível em: https://journals.ur.edu.pl/jetacomps/article/view/6708. Acesso em: 21 lis. 2024.