@INPROCEEDINGS{FerrarelliRIE17, author = {P. Ferrarelli and M.T. L\'azaro and L. Iocchi}, title = {Design of robot teaching assistants through multi-modal human-robot interactions.}, booktitle = {International Conference on Robotics in Education (RiE).}, month = {Apr 26-28}, year = {2017}, pages = {274-286}, address = {Sofia, Bulgaria}, doi = {10.1007/978-3-319-62875-2_25} }