1. 21st Century Skills and Competences for New Millennium Learners in OECD Countries;Ananiadou;OECD Educ. Work. Pap.,2009
2. Fullan, M., and Langworthy, M. (2022, October 01). How New Pedagogies Find Deep Learning. Available online: https://www.michaelfullan.ca/wp-content/uploads/2014/01/3897.Rich_Seam_web.pdf.
3. Purposeful Use of 21st Century Skills in Higher Education;Germaine;J. Res. Innov. Teach.,2016
4. Liesa-Orús, M., Latorre-Cosculluela, C., Toledo, S.V., and Sierra-Sánchez, V. (2020). The Technological Challenge Facing Higher Education Professors: Perceptions of ICT Tools for Developing 21st Century Skills. Sustainability, 12.
5. Watt, E. (2020). Coronavirus school closures mean over ONE BILLION children and youth are now shut out of classrooms. Relief. Web, Available online: https://theirworld.org/news/coronavirus-closes-schools-now-one-billion-missing-education.