Mushka, Ivan V., Maryna V. Pirko, Pavlo K. Sokolov, and Yurii A. Labzhinsky. “OPEN INFORMATION-COMMUNICATION ENVIRONMENT TEACHING AIDS AND THEIR COMPONENTS”. Information Technologies and Learning Tools 8, no. 4 (August 19, 2010). Accessed April 27, 2024. https://journal.iitta.gov.ua/index.php/itlt/article/view/90.