1. J. S. Kim, “Direction and Tasks of Vocational Competency Development Policy in Response to COVID-19,” Employment & Labor Brief, No. 100, July 2020.
2. ILO, UNESCO & WBG, “ILO-UNESCO-WBG Joint Survey on Technical and Vocational Education and Training (TVET) and Skills Development During The time of COVID-19,” 2020. https://www.ilo.org/skills/Whatsnew/WCMS_740668/lang--en/index.htm.
3. International Labour Organization and World Bank, “Skills development in the time of COVID-19: Taking stock of the initial responses in technical and vocational education and training,” https://www.ilo.org/wcmsp5/groups/public/---ed_emp/---ifp_skills/documents/publication/wcms_766557.pdf
4. Y. I. Kong, “Edutech industry trends and current affairs,” Monthly SW-Oriented Society, April, 2020.
5. Merriam-Webster. https://www.merriam-webster.com/dictionary/training.