B. F. Skinner, The technology of teaching, Appleton-Century-Crofts, 1968.

A. Pantages, Control Data's education offering, Electronics, 1976.

J. Hebenstreit, Informatique et enseignement, Comptes rendus de l'Académie des Sciences -La vie des sciences, 1984.

. Power-on, New tools for teaching and learning, US Congress, Office of Technological Assessment, 1988.

M. Carnoy, H. Daley, and L. Loop, Education and computers : Vision and reality, Unesco report ED, vol.8737, 1987.

J. Hebenstreit, Computers in education : Things to come, Proc. 8th International Conference on Technology in Education, 1989.

J. Hebenstreit, Computers in education : The ten next years, Keynote speech, ICTE, vol.92, 1992.