1. Avouris N (2004) Quality issues on the structure and content of the Internet, used as a teaching tool. In: Vlachavas I, Dagdilelis V et al (eds) Information and communication technologies in Greek education. University of Macedonia Press, Thessalonica, Chapter 1, pp 16–33 (in Greek).
2. Rogers A (1996) Teaching adults. Open University Press, Buckingham
3. Bernard M (2003) Criteria for optimal web design. psychology.wichita.edu/optimalweb.
4. Nielsen J (1996) Top ten mistakes in web design.
www.useit.com/alertbox/
9605.html
5. Nielsen J, Writing for the web.
www.useit.com/papers/webwriting