SOFSEM 2008: Theory and Practice of Computer Science (2008), pp. 34-49.
(2006), pp. 11-22.
American Behavioral Scientist, Vol. 19, No. 6. (1 July 1976), pp. 753-768.
Nature, Vol. 451, No. 7177. (24 January 2008), pp. 401-401.
Educational Technology & Society, Vol. 10, No. 3. (2007), pp. 60-71.
Science, Vol. 317, No. 5837. (27 July 2007), pp. 472-476.
Psychology Today, Vol. 2 (1967), pp. 60-67.
(2004), pp. 551-558.
Journal of Organizational Behavior, Vol. 23, No. 5. (AUG 2002), pp. 605-633.
Computers in Human Behavior, Vol. 19, No. 4. (JUL 2003), pp. 479-493.
Interacting with Computers, Vol. 15, No. 1. (JAN 2003), pp. 5-32.
(2006)
IEEE Transactions on Engineering Management, Vol. 52, No. 1. (FEB 2005), pp. 85-101.
Europhysics Letters, Vol. 69 (2005)
(2000)
Journal of Organizational Computing and Electronic Commerce, Vol. 16, No. 3-4. (2006), pp. 247-265.
Proceedings of the National Academy of Sciences, USA, Vol. 101 (2004)
International Journal of Human-Computer Studies, Vol. 63, No. 1-2. (JUL 2005), pp. 228-253.
Universal Access: Theoretical Perspectives, Practice, and Experience, Vol. 2615 (2003), pp. 239-248.
(1988)
(1985)
Physical Review E, Vol. 68 (2003)
(2006)
Proceedings of the National Academy of Sciences, USA, Vol. 103 (2006)
Electronic Journal of Academic and Special Librarianship, Vol. 8, No. 2. (2007)
EDUCAUSE Review (2005)
MATHEMATICAL AND GENERAL, Vol. 38 (2005)
IEEE Computer Graphics and Applications, Vol. 24, No. 5. (SEP-OCT 2004), pp. 66-75.
Trust Management, Proceedings, Vol. 3986 (2006), pp. 221-235.
Annual Review of Information Science and Technology, Vol. 39 (2005), pp. 311-346.
Journal of Computer-Mediated Communication, Vol. 13, No. 1. (2007)
Proceedings of the National Academy of Sciences, USA, Vol. 99 (2002)
Journal of Computer-Mediated Communication,, Vol. 12, No. 4. (2007)
Annual Review of Information Science and Technology, Vol. 39 (2005), pp. 517-550.
Asist 2003: Proceedings of the 66th Asist Annual Meeting, Vol 40, 2003, Vol. 40 (2003), pp. 101-108.
Internet Research, Vol. 15, No. 3. (2005), pp. 262-280.
Journal of Intelligent Information Systems, Vol. 25, No. 2. (SEP 2005), pp. 207-240.