C. Cox, S. Harrison, and C. Hoadley. Educating learning technology designers: guiding and inspiring creators of innovative educational tools, Routledge, New York, NY, (2008)
M. Derntl, and R. Motschnig-Pitrik. Proceedings of the 14th International Conference of the Society for Information Technology & Teacher Education (SITE03), page 2379-2382. Albuquerque, New Mexico, USA, (2003)