Armakolas, Stefanos, Athina Kazana, i Maria Mitroulia. „Distance Sustainable Education. Incentives and Expectations”. Journal of Education, Technology and Computer Science 31, no. 1 (grudzień 15, 2020): 9–18. Udostępniono listopad 22, 2024. https://journals.ur.edu.pl/jetacomps/article/view/7811.