Waraxa . І. Н.; Kolevich Т. О. ELECTRONIC TEXBOOK-NAVIGATOR IN CHEMISTRY. Problems of the modern textbook, [S. l.], n. 15, p. 63–69, 2015. Disponível em: https://ipvid.org.ua/index.php/psp/article/view/447. Acesso em: 18 may. 2024.