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2. Rosenberg, M. J. (2000). E-Learning: Strategies for Delivering Knowledge in the Digital Age. New York: McGraw-Hill Professional Publishing.
3. Cisco Systems (2001). Learning on Demand: A Strategic Perspective. White paper. Available in digital format at
http://www.cisco.com
4. CEDEFOP (2001). Non-Formal Learning: An Executive Summary. Available in digital format at
http://www.trainingvillage.gr/ety/nonformal/exsumEN.asp
.
5. Hartley, D. E. (2000). On-Demand Learning: Training in the New Millennium. Boston, MA: HRD Press.