HILCENKO, S. “Kockalica” (cubes) – didactic and manipulative teaching resource in methodology of developing mathematical concepts in kindergarten. Journal of Education, Technology and Computer Science, [S. l.], v. 9, n. 1, p. 528–535, 2014. Disponível em: https://journals.ur.edu.pl/jetacomps/article/view/6710. Acesso em: 14 maj. 2025.