M. Feidakis, T. Daradoumis, S. Caballe, J. Conesa, D. Gañán: A Dual-Modal System that Evaluates User's Emotions in Virtual Learning Environments and Responds Affectively /jucs_19_11/a_dual_modal_system
S. Caballe, D. Ganan, I. Dunwell, A. Pierri, T. Daradoumis: CC-LO: Embedding Interactivity, Challenge and Empowerment into Collaborative Learning Sessions /jucs_18_1/cc_lo_embedding_interactivity