Johal, W.Castellano, G.Tanaka, F.Okita, S.2018-11-082018-11-082018-11-08201810.1007/s12369-018-0481-8https://infoscience.epfl.ch/handle/20.500.14299/150895WOS:000435423100001Robots for Learningtext::journal::journal article::research article