Monica Landoni Evaluation of Interactive Systems Involving Special Need Children and Experts. 993-994 2008 ICALT https://doi.org/10.1109/ICALT.2008.93 https://doi.ieeecomputersociety.org/10.1109/ICALT.2008.93 conf/icalt/2008 db/conf/icalt/icalt2008.html#Landoni08