HILCENKO, S. „How to make a needle to float?” Heuristic-branched e-model of an animated movie utilized for class work. Journal of Education, Technology and Computer Science, [S. l.], v. 8, n. 2, p. 139–146, 2013. DOI: 2080-9069. Disponível em: https://journals.ur.edu.pl/jetacomps/article/view/6754. Acesso em: 24 sie. 2024.