Porter, L. R., & Hudson, T. (1997). Creating the virtual classroom: Distance learning with the internet. New York: Wiley.
Παραπομπή Chicago StylePorter, Lynnette R., and Theresa Hudson. Creating the Virtual Classroom: Distance Learning With the Internet. New York: Wiley, 1997.
Παραπομπή MLAPorter, Lynnette R., and Theresa Hudson. Creating the Virtual Classroom: Distance Learning With the Internet. New York: Wiley, 1997.
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