1. Alper, D., and Bitzer, D. L., 1970. Advances in computer-based education, Science
167:1582–1590.
2. Anastasio, E. J., and Morgan, J. S., 1972. Factors Inhibiting the Use of Computers in Instruction. EDUCOM Interuniversity Communications Council, Inc., Princeton, N.J.
3. Baker, L. H., 1974. Hierarchical networking in higher education, in North American Perspective (Proceedings of EDUCOM Fall Conference), pp. 159–165.
4. Bleich, H., 1971. The computer as a consultant, TV. Engl. J. Med.
284(3): 141–147.
5. Carnegie Commission on Higher Education, 1972. The Fourth Revolution: Instructional Technology in Higher Education, McGraw-Hill, New York.