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2. A pattern language—towns, buildings, construction;Alexander,1977
3. Toward a technology for humanizing education;Aspy,1972
4. AUTC. (2003). Learning Designs. [Online]. Retrieved Sept 8, 2004, from http://www.learningdesigns.uow.edu.au/
5. The seven principles of good practice: A framework for evaluating on-line teaching;Bangert;The Internet and Higher Education,2004