References

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2. S. Isensee and J. Rudd, The Art of Rapid Prototyping. London: International Thomson Computer Press, 1996.

3. H. Kiljander, 'User Interface Prototyping Methods in Designing Mobile Handsets,' in Human-Computer Interaction INTERACT '99, 1999, pp. 118-125.

4. T. Winograd, 'From Programming Environments to Environments for Designing,' Commun. ACM 38(6): 65-74 (1995).

5. P. Ehn and M. Kyng, 'Cardboard Computers: Mocking-it-up or Hands-on the Future,' in Design at Work, J. Greenbaum and M. Kyng, eds. Hillsdale, N.J.: Lawrence Erlbaum, 1991.

6. S. Säde, M. Nieminen, and S. Riihiaho, 'Testing Usability with 3D Paper Prototypes-Case Halton Systems,' Appl. Ergon. 29(1): 67-73 (1998).

7. J. S. Dumash and J. C. Redish, A Practical Guide to Usability Testing. Portland, Oreg.: Intellect Books, 1999.