TVORUN, O. E-książka w uczeniu się fizyki. Journal of Education, Technology and Computer Science, [S. l.], n. 2, p. 185–190, 2011. DOI: 2080-9069. Disponível em: https://journals.ur.edu.pl/jetacomps/article/view/7007. Acesso em: 22 lip. 2024.