1. The effectiveness of computer assisted instruction in teaching introductory statistic;Bastruk;Educational Technology And Society.,2005
2. Borwein, J., & Bailey, D. (2004). Mathematics by experiment: Plausible reasoning in the 21st century. Natick, MA: A.K. Peters.
3. Cotton, K. (1991). Computer Assisted Instruction. School Improvement Research Series (SIRS). 4.7.2008. (On-line). http://www.nwrel.org/scpd/sirs/5/cu10.html
4. Frederick, K.S. (2007). ACT! by Sage For Dummies 9th edition. Wiley Publishing Inc. Indiana.
5. Gay, L.R. (1985). Educational evaluation and measurement. Columbus:Merrill.