1. Web 2.0: A new wave of innovation for teaching and learning?;B.Alexander;Educational Review,2006
2. Amstrong, J., & Franklin, T. (2008). A review of current and developing international practice in the use of social networking (web 2.0) in higher education. Franklin Consulting. Retrieved January 4, 2014, from http://arthurmckeown.typepad.com/files/web-2.0-in-higher-education.pdf
3. Anderson, P. (2007). What is web 2.0? Ideas, technologies and implications for education. JISC Technology and Standards Watch, 1-64.
4. Aymerich-Franch, L. (2011). Aulas 2.0: The use of social media as learning tools. Paper presented at Congreso Internacional de Comunicación y Educación: Estrategias de Alfabetización Mediática, Bellaterra, Spain.