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2. .1 .2 .3 3. 4. (---) 5. : (2003) ." (2005) . (2005) 6. (2002) () ." (2003) " : (2004) " ) .( . " 7. Synchronous E-learning Asynchronous E-learning 8. Synchronous E-learning : chatting virtual classroom . (. ) 9. Asynchronous E- learning : . 10. Whit Board virtual classroom Videoconferencing Audio conferencing Chatting Rooms 11. .31 . .41 .51
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