Sinko Ю. Systems Of Computer Mathematics And Their Role In Mathematical Education. Journal of Information Technologies in Education (ITE), [S. l.], n. 3, p. 274–278, 2009. DOI: 10.14308/ite000085. Disponível em: https://ite.kspu.edu/index.php/ite/article/view/661. Acesso em: 8 nov. 2024.