Research Centre in Industrial Technology and Engineering (CIETI)
School of Engineering (ISEP), Polytechnic of Porto
Rua Dr. António Bernardino de Almeida, 431
4200-072 Porto, Portugal
(+351) 22 8340532
Francisco José García-Peñalvo
Research Institute of Educational Sciences (IUCE)
Faculty of Sciences, University of Salamanca
Plaza de los Caídos, S/N
37008 Salamanca, Spain
(+34) 923 294500, ext 1302