1. Shum S. B.: “The Missing Link: Hypermedia Usability Research amp; the Web”, ACM SIG-CHI Bulletin, Vol.28, No.4, pp.68–75, 1996.
2. Ivory M.Y., Sinha R. and Hearst. M.A.: “Improving Web Site Design”, IEEE Internet Computing, pp.56–63, March-April 2002.
3. Bevan N.: “Usability Issues in Web Site Design”, Proceedings UPA’98 Conference, Washington DC, 1998.
4. Nielsen J.: “Usability Engineering”, Academic Press, London, 1993.
5. Theng Y.-L., Jones M. and Thimbleby H.: “Lost in Hyperspace, Psychological Problem or Bad Design”, Proceedings 1st AsiaPacific Conference on HCI, pp.387–396, 1996.