1. United Nations Educational, Scientific and Cultural Organization (2006). Guidelines on Intercultural Education, UNESCO.
2. Council of Europe (2008). The White Paper ‘Intercultural Dialogue’, Council of Europe.
3. United Nations Educational, Scientific and Cultural Organization (2013). Intercultural Competences. Conceptual and Operational Framework, UNESCO.
4. United Nations Educational, Scientific and Cultural Organization (2014). Global Citizenship Education. Preparing Learners for the Challenges of the 21st Century, UNESCO.
5. Organization for Economic Co-Operation and Development (2023, April 10). PISA 2018 Global Competence. Available online: https://www.oecd.org/pisa/innovation/global-competence/.