1. Career-Space Project. (2001a). Generic ICT skills profiles. Office for Official Publications of the European Communities.
2. Career-Space Project. (2001b). Directrices para el desarrollo curricular. Nuevos currículos de TIC para el siglo XXI: el diseño de la educación del mañana. Office for Official Publications of the European Communities.
3. Commission of the European Communities. (2005). Recommendation of the European Parliament and of the Council on Key Competences for Lifelong Learning, Brussels.
4. Communiqué of the Conference of European Ministers Responsible for Higher Education. (2005). The European Higher Education Area -Achieving the Goals’, Bergen.
5. Delbecq, A. L., Van de Ven, A. H., & Gustafson, D. H. (1975). Group techniques for program planning: A guide to nominal group and DELPHI processes. Glenville, IL: Scott Foresman and Company.