1. Becker, H. J. (1991). How computers are used in United States schools: Basic data from the 1989 I.E.A. Computers in Education Survey.Journal of Educational Computing Research, 7(4), 385–406.
2. Bergen, D. (1999/2000, Winter). Technology in the classroom.Childhood Education, 76(2), 116–118.
3. Brickner, D. (1995).The effects of first and second order barriers to change on the degree and nature of computer usage of secondary mathematics teachers: A case study. Unpublished dissertation, Purdue University, West Lafayette, IN.
4. Brophy, J. (1988). Research linking teacher behavior to student achievement: Potential implications for instruction of Chapter One students.Educational Psychologist, 23, 233–286.
5. Bundy, Diane. “KD Mac Download: Math Market”. Retrieved April 12, 2001, fromhttp:// www.kidsdomain.com/down/mac/ mathmarket.html