KANDZIA, J. Praktyka matematyczna a nowe technologie edukacyjne. Journal of Education, Technology and Computer Science, [S. l.], n. 2, p. 57–64, 2012. DOI: 2080-9069. Disponível em: https://journals.ur.edu.pl/jetacomps/article/view/6897. Acesso em: 22 lip. 2024.