Mironenko E.S. Digital Educational Environment: Concept and Structure. Social area, 2019, no. 4 (21). URL: http://socialarea-journal.ru/article/28318?_lang=en DOI: 10.15838/sa.2019.4.21.6
all: , this year: , this month: , today:
all: , this year: , this month: , today: