1. [1] Global Industry Analysts, Inc., “E-learning – Global market trajectory & Analytics,” 2020. [Online]. Available: https://www.strategyr.com/market-report-e-learningforecasts-global-industry-analysts-inc.asp [Accessed: Sep. 19, 2020].
2. [2] E. Duffin, “E-learning and digital education - Statistics & Facts,” Feb. 6, 2020. [Online]. Available: https://www.statista.com/topics/3115/elearning-and-digital-education/ [Accessed: Sep. 19, 2020].
3. [3] Docebo, “E-Learning Trends 2019,” 2018. [Online]. Available: https://kometa.edu.pl/uploads/publication/634/550a_A_Docebo-ELearning-Trends-2019.pdf?v2.8 [Accessed: Sep. 26, 2020].
4. [4] Technavio, “E-learning Market in Europe by Product and Geography - Forecast and Analysis 2020-2024,” May 2020. [Online]. Available: https://www.technavio.com/report/e-learning-market-in-europe-industryanalysis [Accessed: Sep. 19, 2020].
5. [5] N. Gilbert, “72 Essential LMS & eLearning Statistics: 2020 Market Share & Data Analysis,” 2020. [Online]. Available: https://financesonline.com/25-essential-learningmanagement-system-e-learning-statistics-analysis-of-trends-data-andmarket-share/#market [Accessed: Sep. 26, 2020].