Intelligent tutoring systems : 10th international conference, ITS 2010, Pittsburgh, Pa, USA, June 14-18, 2010: proceedings, part 1 / ed. V. Aleven [et al.], 2010 r=on-line. - Текст : электронный.
Intelligent tutoring systems : 10th international conference, ITS 2010, Pittsburgh, Pa, USA, June 14-18, 2010: proceedings, part 2 / SpringerLink (Online service), 2010 r=on-line. - Текст : электронный.