LYTVYNOVA, Svitlana G. VIRTUAL SUBJECT COMMUNITIES AS MEANS OF SUPPORT OF NATURAL MATHEMATICS EDUCATION. Information Technologies and Learning Tools, [S. l.], v. 28, n. 2, 2012. DOI: 10.33407/itlt.v28i2.630. Disponível em: https://journal.iitta.gov.ua/index.php/itlt/article/view/630. Acesso em: 18 may. 2026.