S. Harper, и P. Green. International Conference on Computers Helping People with Special Needs, стр. 289--296. Germany, OCG Press, (июля 2000)Under the auspices of the UNESCO.
P. Green, и S. Harper. International Conference on Computers Helping People with Special Needs, стр. 281--288. Germany, OCG Press, (июля 2000)Under the auspices of the UNESCO.
S. Harper, C. Goble, и S. Pettitt. Proceedings of the 10th International Conference on Human-Computer Interaction, 4, стр. 399--403. London, UK, Lawrence Erlbaum Associates, (2003)
S. Harper. University of Manchester Institute of Science and Technology (UMIST), Manchester, UK, Master of Philosophy in Software Engineering, (сентября 1998)