1. Al-Rami, S (1990). An Examination of the attitudes and achievements of students enrolled of the computers in education programs (Saudi Arabia unpublished D. Dissertation).
2. Bosman, K. (2002). Simulation – based E – Learning, Syracurs University.
3. Clark, R., & Mayer, R. (2003). E-Learning and the science of instruction. San Francisco: John Wiley and sons Inc.
4. Eustance, K. (1994). Interactive Education: Teaching and Learning on the Internet, Charles Study University.
5. Galbraith, J. (1967). The new industry. New York: Signet Books.