1. Bereiter, C. and Scardamalia, M. (1993) Surpassing ourselves. An inquiry into the nature and implications of expertice. Chigago, IL, Open Court.
2. Downes T. (1995) Children and Electronic Media: The Home-school Connection. In World Conference on Computers in Education VI. WCCE ‘85 Liberating the Learner, J. David, Tinsley and Tom J. Van Weert (eds.), Chapman & Hall, London, pp. 543–552.
3. Downes T. (1999) Playing with Computing Technologies in the Home. Education and Information Technologies, Vol 4, No 1, pp. 65–79.
4. Finnish Ministry of Education (1995) Koulutuksen ja tutkimuksen tietostrategia. Helsinki, Opetusministeriä, [Information strategy in education and research. Helsinki, Finnish Ministry of Education].
5. Hakkarainen, K., Lonka, K and Lipponen, L. (1999) Tutkiva oppiminen: Alykkään toiminnan rajat ja niiden ylittäminen. Wsoy, Porvoo, [Explorative learning: The limits of intelligent activity and surpassing them].