de Souza, C.S.; Leitão, C.F.; Prates, R.O.; Bim, S.A.; da Silva, E.J. Can inspection methods generate valid new knowledge in HCI? The case of semiotic inspection. International Journal of Human-Computer Studies, Volume 68, Issues 1-2, January-February 2010, Pages 22-40. Available online in December 2009.
doi:10.1016/j.ijhcs.2009.08.006
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