6Wenglinsky H. Does it compute? The relationship between educational technology and student achievement in mathematics[R_]. Educational Testing Service, Princeton, NJ. Policy Information Center, 1998.
7Papanastasiou E C, Zembylas M, Vrasidas C. Can Computer Use Hurt Science Achievement? The USA results from PISAIJ]. Journal of Scientific and Technology, 2003, 3(12): 325-332.
8NCES. The Trends in International Mathematics and Science Study [EB/OL]. http://nces.ed.gov/timss/index.asp,2012-6-9.