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<referencetext xmlns="http://eprints.org/ep2/data/2.0">Brown, J. S. Growing up digital: how the Web changes work, education and the way people learn. Washington D. C. : Change magazine, 2002. http://www.aahe.org/change/digital.pdf

Commision of the European Communities. Communication from the Commision to the council and the European Parlaiment. The eLearning Action plan: designing tomorrow's education. Brussels, 2001. http://europa.eu.int/eur-lex/en/com/cnc/2001/com2001_0172en01.pdf

Ritter, G. Blackboard, building blocks and libraries.  Washintgon D. C. : Blackboard. http://www.blackboard.com/common/docs/BuildingBlocksandLibraries.pdf</referencetext>
