1. Abrilian, S., Devillers, L., Buisine, S., & Martin, J. C. (2005). EmoTV1: Annotation of real-life emotions for the specification of multimodal affective interfaces. In Proceedings of the 11th International Conference on Human-Computer Interaction (HCII’2005) (pp. 1-11). Las Vegas, Nevada, USA, 22–27 July 2005.
2. Alonso, C. (1992). Análisis y diagnóstico de los estilos de aprendizaje en estudiantes universitarios. (Unpublished doctoral dissertation). Tomo I. Madrid: Colección Tesis Doctorales. Editorial de la Universidad Complutense.
3. Emotion sensors go to school;I.Arroyo;Artificial intelligence in education. Building learning systems that care: From knowledge representation to affective modeling. Vol. Frontiers in Artificial Intelligence and Applications,2009
4. Appraisal of Opinion Expressions in Discourse