1. Cisco Systems, Inc., Reusable Learning Object Strategy, Definition, Creation Process and Guidelines for Building, Version 3.1, April 22 (2000)
2. The project eduBITE,
http://www.edubite.ac.at
3. Karagiannis, D., Bajnai, J., Mayr, H.C., Steinberger, C.: eduBITE - Educating Business and Information Technologies, for Dagstuhl-Seminar 03191, Conceptual, Technological and Organisational Aspects of Electronic Learning, May 04-09, Dagstuhl, Germany (2003)
4. ADVISOR,
http://www.boc-eu.com/advisor/start.html
5. BOC Information Technologies Ltd,
http://www.boc-eu.com