References
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Cleveland-Innes, M., Wilton, D. (2018), Guide to Blended Learning, available online at:
http://oasis.col.org/handle/11599/3095
Esani, M. (n.d). Moving from Face-to-Face to Online Teaching, available online at: http://clsjournal.ascls.org/content/ascls/23/3/187.full.pdf
Garrison, D. R., & Vaughan, N. (2008), Blended learning in higher education, San Francisco, CA: Jossey-Bass.
Hannon, J., & Macken, C. (2014). Blended and online curriculum design toolkit. La Trobe University. Retrieved from https://www.laterobe.edu.au/ data/assets/pdf_file/0006/602178/ Blended-learning-Toolkit-v4.pdf
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Unesco article (2021),Tips to ensure effective online learning during COVID-19 available online at: https://www.unicef.org/vietnam/stories/tips-ensure-effective-online-learning-during-covid-19