MALYTSKA, Iryna D. THE PHENOMENON OF VIRTUAL EDUCATIONAL COMMUNITIES IN THE SYSTEMS OF EDUCATION OF FOREIGN COUNTRIES : APPROACHES TO DETERMINATION OF CONCEPTS. Information Technologies and Learning Tools, [S. l.], v. 30, n. 4, 2012. DOI: 10.33407/itlt.v30i4.714. Disponível em: https://journal.iitta.gov.ua/index.php/itlt/article/view/714.. Acesso em: 23 mar. 2025.