1. Adomssent, M. and Hoffmann, T. 2013. The concept of competencies in the context of Education for Sustainable Development (ESD). ESD Expert Network.
  2. Bertschy, F., Künzli, C. and Lehmann, M. 2013. Teachers’Competencies for the Implementation of Educational Offers in the Field of Education for Sustainable Development. Sustainability, Vol. 5, No. 12.
  3. German-speaking network Teacher Education for Sustainable Development. 2015. Teacher education for a sustainable development from pilot projects and initiatives to new structures. A memorandum on reorienting teacher education in Germany, Austria and Switzerland.
  4. Standing Conference of the Ministers of Education and Cultural Affairs (KMK) and Federal Ministry for Economic Cooperation and Development (BMZ). 2016. Curriculum Framework Education for Sustainable Development. J.R. Schreiber and H. Siege (eds).
  5. Hanushek, E. A., & Woessmann, L. (2007). Education Quality and Economic Growth. Washington DC: The International Bank for Reconstruction and Development / The World Bank.
  6. Rauch, F., Steiner, R. 2013. Competences for education for sustainable development in teacher education. CEPS Journal, Vol. 3, No. 1.
  7. Rychen, D.S. 2003. Key competencies: Meeting important challenges in life. Rychen, D.S. and Salganik, L.H. (eds). Key competencies for a successful life and well-functioning society. Cambridge, MA, Hogrefe and Huber.
  8. Sahlgren, G. H. (2014). Incentive to Invest? How education affects economic growth. Adam Smith Institute, p. 47.
  9. Sleurs, W. 2008. Competencies for ESD (Education for Sustainable Development) teachers. A framework to integrate ESD in the curriculum of teacher training institutes.
  10. UNESCO Institute of Statistics (UIS). (2016). Catalogue of Learning Assessments.