SHISHKO, .; CHERNENKO, . The Integrated Software “Algebra, 7 Classes”. Journal of Information Technologies in Education (ITE), [S. l.], n. 1, p. 174–177, 2007. DOI: 10.14308/ite000024. Disponível em: https://ite.kspu.edu/index.php/ite/article/view/715. Acesso em: 5 aug. 2026.