Standen, Penelope, Brown, David J, Taheri, Mohammad, Galvez Trigo, Maria J, Boulton, Helen, Burton, Andrew, Hallewell, Madeline J, Lathe, James G, Shopland, Nicholas, Blanco Gonzalez, Maria A, Kwiatkowska, Gosia M, Milli, Elena, Cobello, Stefano, Mazzucato, Annaleda, Traversi, Marco, Hortal, Enrique, "An evaluation of an adaptive learning system based on multimodal affect recognition for learners with intellectual disabilities", British Journal of Educational Technology, 2020