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Sato, K. & Akahori, K. (2005). Effect of Visualizing Social Interaction on Bulletin Board Systems to Enhance Social Presence of the User. In P. Kommers & G. Richards (Eds.), Proceedings of ED-MEDIA 2005--World Conference on Educational Multimedia, Hypermedia & Telecommunications (pp. 814-821). Montreal, Canada: Association for the Advancement of Computing in Education (AACE).