1. Mathematics achievement in the middle school years;Beaton,1996
2. Investing in knowledge: the integration of technology in European education,1997
3. Report to the President on the use of technology to strengthen K-12 education in the United States,1997
4. The new meaning of education change;Fullan,1991
5. Janssen Reinen, I. A. M. (1996). Teaching and computer use: the process of integrating IT in the curriculum. Thesis, University of Twente, Enschede.