1. Barro, S., Burillo, P., Fernández, A., Fernández, S., Rodeiro, D., Ruzo, E., Canay, R., Franco, J. (2006). Catálogo de Objetivos e Indicadores TIC del Sistema Universitario Español. Madrid: CRUE.
2. Carman, J.M. (2005). Blended Learning Design: Five Key Ingredients. Learning Technical Report. Agilant.
3. Cole, J.R., & Foster, H. (2007). Using Moodle: Teaching with the popular open source course management system. O’Reilly Media, Inc.
4. Collis, B., & Margaryan, A. (2004). Criteria for evaluation of success of Blended Learning methodology. EAGE 66th Conference & Exhibition.
5. Graham, C.R. (2005). Blended Learning Systems: Definition, Current Trends, and Future Directions. In Handbook of Blended Learning: Global Perspectives, local designs, (pp. 3-21), Pfeiffer Publishing.