1. 1.Mann, S., “Why open learning can be a turn‐off”, Personnel Management, Vol. 20 No. 1, January 1988, pp. 41‐3
2. 2.Hodgson, B., Key Terms and Issues in Open and Distance Learning, Kogan Page, London, 1993, pp. 11, 17.
3. 3.Keegan, D., The Foundations of Distance Education, Croom Helm, London, 1986, p. 3.
4. 4.Peters, O., Die Didaktische Struktir des Ferneunterrichts Untersuchungen zu einem Industriarbeiten Forum des Lehrens & Lernens, Weinheim, Beltz, 1973.
5. 5.Moore, M., “Towards a theory of independent learning and teaching”, Journal of Higher Education, Vol. 44, 1973, pp. 661‐79.