1. Agresti, A. (1996). An introduction to categorical data analysis. New York: Wiley.
2. Alliance for Childhood. (2000). Fool's Gold: A critical look at computers in childhood. [Online]. Retrieved from http://www.allianceforchildhood.net/projects/computers/computers_reports.htm
3. Armstrong, A. & Casement, C. (1998). The child and the machine: Why computers may put our children's education at risk. Toronto, Ontario: Key Porter Books.
4. Using computer simulations to assesss hands-on science learning