1. Blinov, V.I, Sergeev, I.S. (2021). Models of Blended Learning in Vocational Education: Typology, Pedagogical Effectiveness, Implementation Conditions. Professional’noe obrazovanie i rynok truda = Vocational Education and Labor Market. No. 1, pp. 4–25, doi: 10.24412/2307-4264-2021-01-04-25 (In Russ., abstract in Eng.).
2. Dziuban, C., Graham, C.R., Moskal, P.D. et al. (2018). Blended Learning: The New Normal and Emerging Technologies. International Journal of Educational Technology in Higher Education. Vol. 15, no. 3. doi: 10.1186/s41239-017-0087-5
3. Graham, C.R. (2012). Blended Learning Systems: Definition, Current Trends, and Future Directions. In: Bonk, C.J. Graham, C.R. (Eds.). Handbook of Blended Learning: Global Perspectives, Local Designs. San Francisco, CA : John Wiley & Sons, pp. 3-21. Available at: http://curtbonk.com/graham_intro.pdf (accessed 26.07.2022).
4. Oliver, M., Trigwell, K. (2005). Can ‘Blended Learning’ Be Redeemed? E-learning and Digital Media. Vol. 2, issue 1, pp. 17-26, doi: 10.2304/elea.2005.2.1.17
5. Sharma, P. (2010). Blended Learning. ELT Journal. Vol. 64, issue 4, pp. 456-458, doi: 10.1093/elt/ccq043