1. 21st Century Skills and Competences for New Millennium Learners in OECD Countries;Ananiadou,2009
2. Implications of the information and knowledge society for education;Anderson,2008
3. Literature Review: Key Competence Development in School Education in Europe;Arjomand,2013
4. Defining twenty-first century skills;Binkley,2012
5. Envisioning the use of online tests in assessing twenty-first century learning: a literature review;Boitshwarelo;Res. Pract. Technol. Enhanc. Learn.,2017