BOGACHKOV, Yuriy M. SYSTEM-FORMING FACTORS OF DISTANCE EDUCATION IN GENERAL EDUCATIONAL ESTABLISHMENTS: REVIEW. Information Technologies and Learning Tools, [S. l.], v. 26, n. 6, 2012. DOI: 10.33407/itlt.v26i6.609. Disponível em: https://journal.iitta.gov.ua/index.php/itlt/article/view/609. Acesso em: 19 jul. 2026.