Lenat, Douglas B.;Durlach, Paula J.(en anglès)International Journal of Artificial Intelligence in Education,24,3,01-09-2014,p.216–250. DOI: 10.1007/s40593-014-0016-x. ISSN: 1560-4292[Consulta: free].
Lenat, Douglas B.;Durlach, Paula J.(en anglès)International Journal of Artificial Intelligence in Education,24,3,01-09-2014,p.216–250. DOI: 10.1007/s40593-014-0016-x. ISSN: 1560-4292[Consulta: free].